operator’s and unit maintenance manual operator … · tm 3-6665-316-12 technical manual...
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![Page 1: OPERATOR’S AND UNIT MAINTENANCE MANUAL OPERATOR … · TM 3-6665-316-12 TECHNICAL MANUAL HEADQUARTERS DEPARTMENT OF THE ARMY WASHINGTON, D.C., 1 DECEMBER 1987 Operator’s and Unit](https://reader035.vdocument.in/reader035/viewer/2022081600/608303294999127c665f23d4/html5/thumbnails/1.jpg)
T M 3 - 6 6 6 5 - 3 1 6 - 1 2
T E C H N I C A L M A N U A L
O P E R A T O R ’ S
A N D
U N I T M A I N T E N A N C E
M A N U A LO P E R A T O RP R E V E N T I V EM A I N T E N A N C E
SIMULATOR, DETECTOR UNIT,
CHEMICAL AGENT AUTOMATIC ALARM,
(NSN 6665-01-088-4789)
M81
I N T R O D U C T I O N
PAGE 1-1
C O N T R O L S A N D
I N D I C A T O R S
P A G E 2 - 1
C H E C K S A N DSERVICES PAGE 2-1
A S S E M B L Y A N DP R E P A R A T I O N F O RU S E P R O C E D U R E SP A G E 2 - 8
U N I TM A I N T E N A N C E
I N S T R U C T I O N S
P A G E 4 - 1
T R O U B L E S H O O T I N G
P R O C E D U R E S
P A G E 4 - 1
S U B J E C T I N D E X
P A G E I N D E X 1
A p p r o v e d F o r P u b l i c R e l e a s e ; D i s t r i b u t i o n U n l i m i t e d
H E A D Q U A R T E R S , D E P A R T M E N T O F T H E A R M Y
D E C E M B E R 1 9 8 7
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T M 3 - 6 6 6 5 - 3 1 6 - 1 2
W A R N I N G
T h e o p e r a t o r m u s t n o t e a n d c a r e f u l l y f o l l o wa l l M8Al A u t o m a t i c C h e m i c a l A g e n t A l a r ms a f e t y P r e c a u t i o n s . C a r e f u l l y r e a d t h e h a z a r dwarningst e c h n i c a lo p e r a t i n g
o n t h e i n s i d e f r o n t c o v e r o f t h em a n u a l , T M 3 - 6 6 6 5 - 3 1 2 - 1 2 & P , b e f o r et h e S i m u l a t o r .
WARNING
I f r e m o v a l o f M 4 3 A 1 D e t e c t o r o u t l e t f i l t e r i sr e q u i r e d , removal must b e p e r f o r m e d b ya u t h o r i z e d p e r s o n n e l .
WARNING
T h e M 8 1 S i m u l a t o r w e i g h s a b o u t 4 5 p o u n d s . U s et w o p e o p l e t o l i f t i t .
CAUTION
R e m o v e t r a n s m i t t e r b a t t e r i e s b e f o r e s h i p m e n to r i n a c t i v e s e r v i c e o f 3 0 d a y s o r m o r e o rd a m a g e t o t r a n s m i t t e r m a y r e s u l t .
CAUTION
D o n o t o p e r a t e t r a n s m i t t e r O P R s w i t c h i fa n t e n n a i s n o t i n s t a l l e d .
CAUTION
T h e M 4 3 A 1 I n t e r f a c e C a b l e m u s t n o t i n t e r f e r ew i t h e l e c t r i c a l s p r i n g c o n t a c t s o r I n t e r f a c eC a b l e R e t a i n e r o n i n s i d e o f r i n g o r e x t e n db e t w e e n c a s e - t o p a s s e m b l y a n d r e c e i v e r r i n gt o p s u r f a c e o r d a m a g e m a y r e s u l t .
CAUTION
A n y a t t e m p t t o m o u n t a t r a n s m i t t e r t o n e m o d u l ei n a r e c e i v e r o r v i c e v e r s a c o u l d d a m a g e t h ee q u i p m e n t .
F o r f i r s t a i d p r o c e d u r e s , r e f e r t o F M 2 1 - 1 1 .
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TM 3-6665-316-12
TECHNICAL MANUAL HEADQUARTERS
DEPARTMENT OF THE ARMY
WASHINGTON, D.C., 1 DECEMBER 1987
Operator’s and Unit
Maintenance Manual
SIMULATOR, DETECTOR UNIT,
CHEMICAL AGENT AUTOMATIC ALARM, M81
(NSN 6665-01-088-4789)
Approved For Public Release; Distribution Is Unlimited
REPORTING ERRORS AND RECOMMENDING IMPROVEMENTS
You can help improve this manual. If you find any mistakes, or if you
know of a way to improve the procedures, please let us know. Mail your
letter, DA Form 2028 (Recommended Changes to Publications and Blank
Forms) or DA Form 2028-2 located in the back of this manual directly to
Commander, US Army Armament, Munitions and Chemical Command, ATTN:
AMSMC-MAR-T (A), Aberdeen Proving Ground, MD 21010-5423. A reply will
be furnished to you.
Page
How To Use This Manual iii
CHAPTER 1 INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1
Section I General Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1
Section II Equipment Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 1-2
Section III Technical Principles of Operation . . . . . . . . . . . . . . . . . . . . . 1-14
CHAPTER 2 OPERATING INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1
Section I Description and Use of Operator’s Controls and
Indicators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1
Section II Operator Preventive Maintenance Checks and Services
(PMCS) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2
Section III Operation Under Usual Conditions . . . . . . . . . . . . . . . . . . . . . .2-8
Section IV Operation Under Unusual Conditions . . . . . . . . . . . . . . . . . . . . 2-24
i
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TM 3-6665-316-12
CHAPTER 3 ASSOCIATED EQUIPMENT MAINTENANCE INSTRUCTIONS . . . . . . . . . . . . . 3-1
CHAPTER 4 UNIT MAINTENANCE INSTRUCTIONS . . . . . . . . . ........4-1
Section I Repair Parts, Special Tools, and Equipment . . . . . . . . . . . . .4-1
Section II Service Upon Receipt .. . . . . . . . . . . . . . . . . .. ...4-1
Section III Troubleshooting Procedures . . . . . . ......... 4-1
Section IV Maintenance Procedures . . . . . . . . . . . . . . . . . . . . . . . . 4-16
Section V Preparation for Storage or Shipment . . . . . . . . . . . . . . . . . . . 4-35
APPENDIX A
APPENDIX B
APPENDIX C
APPENDIX D
APPENDIX E
REFERENCES . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . A-1
MAINTENANCE ALLOCATION CHART . . . . . . . . . . . . . . . . . . . . B-1
COMPONENTS OF END ITEM (COEI) AND BASIC
ISSUE ITEMS (BII) LISTS . . . . . . . . . . . . . . . . . . . . . . . . . C-1
ADDITIONAL AUTHORIZATION LIST . . . . . . . . . . . .. . .....D-1
EXPENDABLE/DURABLE SUPPLIES AND MATERIALS LIST . . . . . . . . . . . E-1
SUBJECT INDEX . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Index 1
ii
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TM 3-6665-316-12
HOW TO USE THIS MANUAL
Use the front cover locator and marked pages to quickly find the parts of the
manual shown on the cover. These portions of the manual were chosen because they
are used most often. Inside, the manual has been divided into chapters, sections,
and paragraphs which are all numbered sequentially.
Finding the Instruction You Need.
1. How do you start?
Look at the front cover of this manual. On the right side you will find the list-
ing INTRODUCTION. The locator tells you to go to Page 1-1. You must familiarize
yourself with M81 Simulator and its components before you begin any task.
2. What do you do if you have a failure?
Look at the symptom index on Page 4-2 and find your symptom. The symptom index
will tell you where to find the appropriate troubleshooting procedure. If, for
example, none of the receivers respond to the transmitter, you will find this
symptom in Paragraph 4-9e.
3. How do you fix a problem?
Follow the instructions in the troubleshooting table. Follow the procedure until
the problem is fixed.
4. What if these procedures still do not fix the problem?
Obtain a new simulator.
NOTE
Simulators are obtained from Training Audio-
visual Support Center (TASC).
iii
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TM-3-6665-316-12
SIMULATOR, DETECTOR UNIT,
CHEMICAL AGENT AUTOMATIC ALARM,
M81
1-0
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T M 3 - 6 6 6 5 - 3 1 6 - 1 2
CHAPTER 1
INTRODUCTION
S e c t i o n I . GENERAL INFORMATION
1 - 1 . SCOPE
a . T y p e o f M a n u a l : O p e r a t o r ’ s a n d U n i t M a i n t e n a n c e M a n u a l .
b . Model Number and Equipment Name: S i m u l a t o r , D e t e c t o r U n i t , C h e m i c a lA g e n t A u t o m a t i c A l a r m , M 8 1 .
c . P u r p o s e o f E q u i p m e n t : U s e d w i t h M 4 3 A 1 D e t e c t o r , p a r t o f t h e M 8 A lA u t o m a t i c C h e m i c a l A g e n t A l a r m , t h e S i m u l a t o r a l l o w s t r a i n i n g p e r s o n n e l t o s i m u l a t et h e m o v e m e n t o f a c h e m i c a l a g e n t c l o u d a c r o s s a b a t t l e f i e l d .
1 - 2 . MAINTENANCE FORMS AND RECORDS
D e p a r t m e n t o f t h e A r m y f o r m s a n d p r o c e d u r e s u s e d f o r e q u i p m e n t m a i n t e n a n c e w i l l b ethose prescribed by DA PAM 738-750, The Army Maintenance Management System (TAMMS).
1 - 3 . DESTRUCTION OF ARMY MATERIEL TO PREVENT ENEMY USE
A c c o r d i n g t o T M 4 3 - 0 0 0 2 - 3 1 , d e s t r u c t i o n o f u n c l a s s i f i e d c h e m i c a l t r a i n i n g e q u i p m e n ta n d s u p p l i e s i s n o t r e q u i r e d .
1 - 4 . PREPARATION FOR STORAGE OR SHIPMENT
S e e C h a p t e r 4 , S e c t i o n V o f t h i s m a n u a l f o r t h i s i n f o r m a t i o n .
1 - 5 . NOMENCLATURE CROSS-REFERENCE LIST
Common Name O f f i c i a l N o m e n c l a t u r e
C a t c h C a t c h S t r i k e
CHAN SEL Switch S e l e c t o r S w i t c h
D e t e c t o r M43A1 Chemical AgentA u t o m a t i c A l a r m D e t e c t o r U n i t
E x t e n d e r C a b l e Power Cable
G a s k e t R u b b e r S e a l
1 - 1
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TM 3-6665-316-12
1 - 5 l NOMENCLATURE
Common Name
L a t c h
M 4 2 A l a r m
CROSS-REFERENCE L I S T ( c o n t i n u e d )
O f f i c i a l N o m e n c l a t u r e
C l a m p i n g C a t c h
M 4 2 C h e m i c a l A l a r m U n i t
M 4 3 A 1 D e t e c t o r M 4 3 A 1 C h e m i c a l A g e n tA u t o m a t i c A l a r m D e t e c t o r U n i t
M 8 A 1 A l a r m M 8 A 1 A u t o m a t i c C h e m i c a l A g e n t A l a r m
O P R S w i t c h T o g g l e S w i t c h
S i m u l a t o r S i m u l a t o r , D e t e c t o r U n i t , C h e m i c a lA g e n t A u t o m a t i c A l a r m , M 8 1 .
T E S T G O O D I n d i c a t o r I n d i c a t o r L i g h t
1 - 6 . REPORTING EQUIPMENT IMPROVEMENT RECOMMENDATIONS (EIR’s)
I f a n y p a r t o f y o u r S i m u l a t o r n e e d s i m p r o v e m e n t , l e t u s k n o w . S e n d u s a n E I R . You ,t h e u s e r , a r e t h e o n l y o n e w h o c a n t e l l u s w h a t y o u d o n ’ t l i k e a b o u t y o u r e q u i p m e n t .L e t u s k n o w w h y y o u d o n ’ t l i k e t h e d e s i g n o r p e r f o r m a n c e . T e l l u s w h y a p r o c e d u r ei s h a r d t o p e r f o r m . P u t i t o n a n S F 3 6 8 ( Q u a l i t y D e f i c i e n c y R e p o r t ) . M a i l i t t o u sa t C o m m a n d e r , U S A r m y A r m a m e n t , M u n i t i o n s a n d C h e m i c a l C o m m a n d , A T T N : A M S M C - Q A D ( R ) ,R o c k I s l a n d , I L 6 1 2 9 9 - 6 0 0 0 . W e ’ l l s e n d y o u a r e p l y .
S e c t i o n I I . EQUIPMENT DESCRIPTION
1 - 7 . EQUIPMENT CHARACTERISTICS, CAPABILITIES, AND FEATURES
T h e S i m u l a t o r h a s t h e f o l l o w i n g c h a r a c t e r i s t i c s , c a p a b i l i t i e s , a n d f e a t u r e s :
o P h y s i c a l l y a n d e l e c t r i c a l l y c o m p a t i b l e w i t h M 4 3 A 1 D e t e c t o r s .
o O p e r a t i n g t e m p e r a t u r e 2 0 ° F t o 1 0 0 ° F .
o S p l a s h p r o o f p r o t e c t e d f o r o p e r a t i o n i n r a i n a n d s n o w .
o U n i t m e a n t i m e t o r e p a i r o f 3 0 m i n u t e s .
o C a n b e o p e r a t e d b y p e r s o n s w e a r i n g c h e m i c a l p r o t e c t i v e g e a r .
o M a n - p o r t a b l e .
o H a s a n e f f e c t i v e o p e r a t i n g r a n g e o f 1 0 0 0 m e t e r s .
1-2
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TM 3-6665-316-12
1-8. LOCATION AND DESCRIPTION OF MAJOR COMPONENTS
a. Transit Case.
The transit case contains:
ONE TECHNICAL MANUAL TM 3-6665-316-12 (l)--Describes the operating,
troubleshooting, and maintenance procedures for the Simulator.
FOUR RECEIVERS (2)--Mounted in and used to activate the M43A1 Detectors.
FIVE INTERCHANGEABLE AND IDENTICAL ANTENNAS (3)--Mount on the transmitter
and the receivers.
FOUR EXTENDER CABLES (4)--Used to extend BA3517/U Battery Power Cables
w h e n receivers are mounted in M43A1 Detectors.
PRESSURE RELIEF VALVE (5)--Used to equalize pressure between the inside
and outside of the transit case.
IDENTIFICATION PLATE (6)--Identifies the transit case by part number,
serial number, and item name.
ONE TRANSMITTER (7)–-Used to activate the receivers.
ONE TONE MODULE CASE (8)--Used to hold special-purpose tone modules and
screwdriver.
FOUR M43A1 INTERFACE CABLES (9)--Used to interface the receivers with the
M43A1 Detectors.
1-3
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dures.
T M 3 - 6 6 6 5 - 3 1 6 - 1 2
1 - 8 . LOCATION AND DESCRIPTION OF MAJOR COMPONENTS (cont inued)
b . T r a n s m i t t e r
C H A N N E L S E L E C T D E C A L ( l ) - - I d e n t i f i e s o p e r a t i n g p o s i t i o n s o f C H A N S E Ls w i t c h .
T E S T G O O D I N D I C A T O R ( 2 ) - - I n d i c a t e s p o w e r a v a i l a b l e d u r i n g t r a n s m i s s i o n o r
b a t t e r y t e s t .
O P E R A T E D E C A L ( 3 ) - - I d e n t i f i e s l o c a t i o n o f O P R s w i t c h .
C O V E R A S S E M B L Y ( 4 ) - - P r o t e c t s c o m p o n e n t s m o u n t e d w i t h i n c h a s s i s a s s e m b l y
a g a i n s t m o i s t u r e o r o t h e r s u b s t a n c e s w h i c h c o u l d h a r m t r a n s m i t t e r o p e r a -t i o n .
O P E R A T I N G I N S T R U C T I O N S P L A T E ( 5 ) - - C o n t a i n s t r a n s m i t t e r o p e r a t i o n p r o c e -
1 - 4
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T M 3 - 6 6 6 5 - 3 1 6 - 1 2
I D E N T I F I C A T I O N P L A T E ( 6 ) - - I d e n t i f i e s t r a n s m i t t e r b y p a r t n u m b e r , s e r i a ln u m b e r , a n d i t e m n a m e .
G R O U P / U N I T I D E N T I F I C A T I O N P L A T E ( 7 ) - - P r o v i d e s s p a c e t o r e c o r d t h e G R O U P
a n d U N I T i d e n t i f i c a t i o n n u m b e r s f o u n d o n t h e t r a n s m i t t e r t o n e m o d u l e .
1 - 5
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T M 3 - 6 6 6 5 - 3 1 6 - 1 2
1 - 8 . L O C A T I O N A N D D E S C R I P T I O N O F M A J O R C O M P O N E N T S ( c o n t i n u e d )
B A T T E R Y H O L D E R ( 8 ) - - C o n t a i n s b a t t e r i e s w h i c h p o w e r t r a n s m i t t e r c i r c u i t r y .
T R A N S M I T T E R T O N E M O D U L E ( 9 ) - - C o n t a i n s c i r c u i t r y w h i c h d e t e r m i n e s w h i c h
g r o u p o f r e c e i v e r s t h e t r a n s m i t t e r c a n a c t i v a t e .
E N C O D E R P R I N T E D W I R I N G A S S E M B L Y ( 1 0 ) - - P r o d u c e s c o d e s w h i c h a r e t r a n s -
m i t t e d t o r e c e i v e r s , a n d d e t e r m i n e s t h e s e q u e n c e o f t h e c o d e s .
C H A N S E L S W I T C H ( 1 1 ) - - S w i t c h t h a t a l l o w s o p e r a t o r t o c h o o s e w h i c h
r e c e i v e r s t o a c t i v a t e . I n t h e T E S T p o s i t i o n , t h i s s w i t c h a l l o w s y o u t o
t e s t t r a n s m i t t e r b a t t e r i e s w i t h o u t t r a n s m i t t i n g a s i g n a l .
C O A X I A L C O N N E C T O R ( 1 2 ) - - C o n n e c t s a n t e n n a t o t r a n s m i t t e r .
O P R S W I T C H ( 1 3 ) - - S w i t c h t h a t a l l o w s o p e r a t o r t o a c t i v a t e a r e c e i v e r a n d
t e s t t r a n s m i t t e r b a t t e r i e s .
T R A N S M I T T E R P R I N T E D W I R I N G A S S E M B L Y ( 1 4 ) - - C o n t a i n s c i r c u i t r y w h i c h s e n d s
s i g n a l t o r e c e i v e r s .
C H A S S I S A S S E M B L Y ( l 5 ) - - C a s e i n w h i c h o t h e r t r a n s m i t t e r c o m p o n e n t s a r e
m o u n t e d .
1 - 6
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c .
T M 3 - 6 6 6 5 - 3 1 6 - 1 2
R e c e i v e r
G A S K E T ( l ) - - P r o v i d e s s e a l b e t w e e n M 4 3 A 1 D e t e c t o r c a s e - t o p a s s e m b l y a n dr e c e i v e r r i n g .
E L E C T R I C A L S P R I N G C O N T A C T S ( 2 ) - - A l l o w M 4 3 A 1 D e t e c t o r h e a t e r p o w e r t ot r a v e l b e t w e e n d e t e c t o r c a s e - t o p a n d c a s e - b o t t o m a s s e m b l i e s w h i l e t h er e c e i v e r i s i n p l a c e .
C O A X I A L C O N N E C T O R ( 3 ) - - C o n n e c t s a n t e n n a t o r e c e i v e r .
R E C E I V E R R I N G ( 4 ) - - F i t s b e t w e e n c a s e - t o p a n d c a s e - b o t t o m a s s e m b l i e s o f
t h e M 4 3 A 1 D e t e c t o r , a n d p r o v i d e s a m o u n t f o r a l l o t h e r r e c e i v e r p a r t s .
L A T C H E S ( 5 ) - - H o l d r e c e i v e r t o c a t c h e s o n M 4 3 A 1 D e t e c t o r c a s e - t o p a s -
s e m b l y .
D E C O D E R P R I N T E D W I R I N G A S S E M B L Y ( 6 ) - - C o n t a i n s c i r c u i t r y w h i c h d e t e r m i n e sw h e t h e r t h e r e c e i v e r w i l l r e s p o n d t o a n e n c o d e d s i g n a l f r o m t r a n s m i t t e r .
R E C E I V E R T O N E M O D U L E ( 7 ) - - C o n t a i n s c i r c u i t r y t h a t d e t e r m i n e s w h i c h
e n c o d e d s i g n a l w i l l a c t i v a t e t h e r e c e i v e r .
I N T E R F A C E C A B L E R E T A I N E R ( 8 ) - - R e t a i n s p o s i t i o n o f M 4 3 A 1 I n t e r f a c e C a b l e
w h e n r e c e i v e r a s s e m b l y i s m o u n t e d i n a n M 4 3 A 1 D e t e c t o r . ,
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T M 3 - 6 6 6 5 - 3 1 6 - 1 2
1 - 8 . LOCATION AND DESCRIPTION OF MAJOR COMPONENTS (cont inued)
G R O U P / U N I T I D E N T I F I C A T I O N P L A T E ( 9 ) - - P r o v i d e s s p a c e t o r e c o r d t h e G R O U P
a n d U N I T i d e n t i f i c a t i o n n u m b e r s f o u n d o n t h e r e c e i v e r t o n e m o d u l e .
C A T C H E S ( l O ) - - H o l d r e c e i v e r t o l a t c h e s o n M 4 3 A 1 D e t e c t o r c a s e - b o t t o m
a s s e m b l y .
R E C E I V E R P R I N T E D W I R I N G A S S E M B L Y ( 1 1 ) - - C o n t a i n s c i r c u i t r y w h i c h a c c e p t s
t h e e n c o d e d s i g n a l f r o m t h e t r a n s m i t t e r .
E X T E N D E R ( 1 2 ) - - L o w e r s r e c e i v e r e l e c t r o n i c c o m p o n e n t s t o a l l o w s p a c e f o rM 4 3 A 1 D e t e c t o r i n t e r n a l c o m p o n e n t s .
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T M 3 - 6 6 6 5 - 3 1 6 - 1 2
I D E N T I F I C A T I O N P L A T E ( 1 3 ) - - I d e n t i f i e s t h e r e c e i v e r b y p a r t n u m b e r , s e r i a ln u m b e r , a n d i t e m n a m e .
d , T o n e M o d u l e C a s e .
T O N E M O D U L E C A S E ( l ) - - H o l d s f i v e s p e c i a l - p u r p o s e t o n e m o d u l e s a n d o n es c r e w d r i v e r .
O N E S E T O F F I V E S P E C I A L - P U R P O S E T O N E M O D U L E S ( 2 ) - – A l l o w s t h e r e c e i v e r s t or e s p o n d o n l y t o a t r a n s m i t t e r c o n t a i n i n g a t o n e m o d u l es e t .
S C R E W D R I V E R ( 3 ) - - U s e d i n m a i n t e n a n c e o f t r a n s m i t t e r .
f r o m t h e s a m e
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T M 3 - 6 6 6 5 - 3 1 6 - 1 2
1 - 8 . LOCATION AND DESCRIPTION OF MAJOR COMPONENTS (cont inued)
e . C a b l e s .
E X T E N D E R C A B L E ( l ) - - E x t e n d s t h e B A 3 5 1 7 / U B a t t e r y P o w e r C a b l er e c e i v e r i s m o u n t e d o n a n M 4 3 A 1 D e t e c t o r w h i c h i s p o w e r e d b yB A 3 5 1 7 / U B a t t e r y .
w h e n a
a n a t t a c h e d
M 4 3 A 1 I N T E R F A C E C A B L E ( 2 ) - - P r o v i d e s a c o n n e c t i o n b e t w e e n r e c e i v e r c i r -
c u i t r y a n d M 4 3 A I D e t e c t o r C i r c u i t r y .
f . A n t e n n a s .
P e r m i t p r o p a g a t i o n o f t h e s i g n a l f r o m t h e t r a n s m i t t e r t o t h e r e c e i v e r s .
1 - 1 0
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T M 3 - 6 6 6 5 - 3 1 6 - 1 2
1 - 9 . EQUIPMENT DATA
P h y s i c a l C h a r a c t e r i s t i c s :
R e c e i v e r
L e n g t h 7 . 5 4 i n . ( 1 9 . 2 c m )W i d t h 6 . 2 8 i n . ( 1 6 . 0 c m )H e i g h t 5 . 7 5 i n . ( 1 4 . 6 c m )W e i g h t 2 . 5 l b ( 1 3 k g )
T r a n s m i t t e r
L e n g t h 8 . 7 5 i n . ( 2 2 . 2 c m )W i d t h 3.76 in. ( 9.6 cm)H e i g h t 2 . 1 0 i n . ( 5 . 3 c m )
W e i g h t 2.5 lb ( 1.13 kg)
T r a n s i t C a s e ( F u l l )
L e n g t h 2 4 . 2 5 i n . ( 6 1 . 6 c m )
W i d t h 2 5 . 8 8 i n . ( 6 5 . 7 c m )H e i g h t 1 2 . 3 1 i n . ( 3 1 . 3 c m )W e i g h t 4 5 . 0 l b ( 2 0 . 4 k g )
E l e c t r i c a l C h a r a c t e r i s t i c s :
R e c e i v e r
o F r e q u e n c y t y p e a n d r a n g e : V H F , 1 4 1 . 9 2 5 M H z .o F r e q u e n c y s t a b i l i t y : 0 . 0 0 1 % ( 1 4 ° F ( - 1 0 ° C ) t o 1 0 4 ° F ( 4 O ° C ) ) .
o O p e r a t i n g v o l t a g e : + 1 2 V ± 1 5 % .
o M a x i m u m s t a n d b y c u r r e n t : 2 0 M A a t + 1 2 V .
o M a x i m u m r e c e i v e c u r r e n t : 1 5 0 M A a t + 1 2 V .
T r a n s m i t t e r
o F r e q u e n c y t y p e a n d r a n g e : V H F , 1 4 1 . 9 2 5 M H z .
o F r e q u e n c y s t a b i l i t y : 0 . 0 0 0 5 % ( 1 4 ° F ( - 1 0 ° C ) t o 1 0 4 ° F ( 4 O ° C ) ) .
o O p e r a t i n g v o l t a g e : + 1 5 V ± 1 5 % .
o O p e r a t i n g c u r r e n t : 1 8 0 m A ( m a x i m u m ) a t + 1 5 V .
O p e r a t i n g R a n g e :
N o m i n a l 3 2 8 0 - f o o t ( 1 0 0 0 - m e t e r ) r a n g e . I n h e a v y v e g e t a t i o n , u n e v e n t e r r a i n ,
o r v e r y h a r d r a i n , t h e r a n g e c o u l d b e r e d u c e d . D e t e c t o r s i n w h i c h r e c e i v e r sh a v e b e e n i n s t a l l e d s h o u l d b e s e p a r a t e d f r o m e a c h o t h e r b y a t l e a s t 8 2 f e e t
( 2 5 m e t e r s ) .
1 - 1 1
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T M 3 - 6 6 6 5 - 3 1 6 - 1 2
1 - 9 . E Q U I P M E N T D A T A ( c o n t i n u e d )
E n v i r o n m e n t a l L i m i t a t i o n s :
T e m p e r a t u r e
o O p e r a t i n g : 2 0 ° F ( - 6 . 7 ° C ) t o 1 O O ° F ( 3 7 . 8 ° C ) .
o S t o r a g e : - 4 0 ° F ( - 4 0 ° C ) t o 1 4 0 ° F ( 6 0 ° C ) .
H u m i d i t y - - u p t o 1 0 0 % r e l a t i v e h u m i d i t y .
O p e r a t i o n i n r a i n o r s n o w - - s p l a s h p r o o f p r o t e c t e d .
1 - 1 0 . EQUIPMENT CONFIGURATION
T A B L E 1 - 1
C O N F I G U R A T I O N
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T M 3 - 6 6 6 5 - 3 1 6 - 1 2
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T M 3 - 6 6 6 5 - 3 1 6 - 1 2
1 - 1 1 . SAFETY, CARE, AND HANDLING
T h e r e a r e n o h a z a r d s i n v o l v e d w i t h t h e S i m u l a t o r i t s e l f . H o w e v e r , p o t e n t i a l h a z a r d s
a r e i n v o l v e d i n t h e o p e r a t i o n o f M 4 3 A 1 D e t e c t o r s . T h e o p e r a t i n g p r o c e d u r e s f o r t h e
M 4 3 A l D e t e c t o r a r e c o n t a i n e d i n t h e O p e r a t o r ’ s a n d O r g a n i z a t i o n a l M a i n t e n a n c e M a n u a l
f o r M 8 A 1 A u t o m a t i c C h e m i c a l A g e n t A l a r m a n d A u x i l i a r y E q u i p m e n t , T M 3 - 6 6 6 5 - 3 1 2 - 1 2 & P .
WARNING
T h e o p e r a t o r m u s t n o t e a n d c a r e f u l l y f o l l o w
a l l M 8 A 1 A u t o m a t i c C h e m i c a l A g e n t A l a r m
s a f e t y p r e c a u t i o n s . C a r e f u l l y r e a d t h e h a z a r d
w a r n i n g s o n t h e i n s i d e f r o n t c o v e r o f t h e
t e c h n i c a l m a n u a l , T M 3 - 6 6 6 5 - 3 1 2 - 1 2 6 P , b e f o r e
o p e r a t i n g t h e S i m u l a t o r .
WARNING
I f r e m o v a l o f M 4 3 A 1 D e t e c t o r o u t l e t f i l t e r i s
r e q u i r e d , r e m o v a l m u s t b e p e r f o r m e d b y
a u t h o r i z e d p e r s o n n e l .
S e c t i o n I I I . T E C H N I C A L P R I N C I P L E S O F O P E R A T I O N
1 - 1 2 . GENERAL SYSTEM PRINCIPLES OF OPERATION
T h e S i m u l a t o r m a k e s i t p o s s i b l e f o r y o u t o c a u s e M 4 3 A 1 D e t e c t o r s t o a l a r m a s i f a
c h e m i c a l a g e n t h a s b e e n d e t e c t e d . T h e e f f e c t i v e r a n g e o f t h e S i m u l a t o r i s 1 0 0 0
m e t e r s . Y o u c a n i m i t a t e a m o v i n g c h e m i c a l - a g e n t c l o u d b y c a u s i n g d e t e c t o r s t o
a l a r m , o n e a t a t i m e o r i n g r o u p s . E a c h S i m u l a t o r c o n s i s t s o f o n e t r a n s m i t t e r , f o u r
r e c e i v e r s , a s s o c i a t e d c a b l e s a n d a n t e n n a s , a n d t w o s e t s o f t o n e m o d u l e s .
T h e t r a n s m i t t e r i s p o w e r e d b y b a t t e r i e s m o u n t e d i n t h e u n i t a n d i s u s e d t o b r o a d c a s t
a r a d i o s i g n a l . T h i s s i g n a l i s p i c k e d u p b y t h e r e c e i v e r s . T h e r e c e i v e r s a r e
i n s t a l l e d i n , a n d r e c e i v e p o w e r f r o m , t h e h o s t d e t e c t o r s . W h e n a r e c e i v e r r e s p o n d s
t o a t r a n s m i t t e r s i g n a l , t h a t r e c e i v e r c a u s e s i t s h o s t d e t e c t o r t o a l a r m . I t i s n o t
n e c e s s a r y t h a t a l l f o u r r e c e i v e r s b e u s e d i n a t r a i n i n g e x e r c i s e . D e p e n d i n g o n
t r a i n i n g e x e r c i s e n e e d s , f e w e r d e t e c t o r s , a n d , t h e r e f o r e , f e w e r r e c e i v e r s , m a y b e
u s e d .
T h e t r a n s m i t t e r s i g n a l i s c o d e d s o t h a t o n l y c e r t a i n r e c e i v e r s r e s p o n d w h e n t h e
s i g n a l i s b r o a d c a s t . T h e c o d e i s d e t e r m i n e d b y a p l u g - i n t o n e m o d u l e w h i c h i s
i n s t a l l e d i n t h e t r a n s m i t t e r . S i m i l a r t o n e m o d u l e s a r e i n s t a l l e d i n t h e r e c e i v e r s ,
a n d d e t e r m i n e w h i c h r e c e i v e r ( s ) w i l l r e s p o n d t o a s i g n a l .
T o n e m o d u l e s a r e i d e n t i f i e d b y S E R I A L n u m b e r s ( f o r e x a m p l e , 0 0 0 - 1 ) , w h i c h a r e
p r i n t e d o n t h e m o d u l e s . T h e f i r s t t h r e e d i g i t s o f e a c h S E R I A L n u m b e r a r e r e f e r r e d
t o a s t h e G R O U P n u m b e r . T h e G R O U P n u m b e r t e l l s y o u t o w h i c h s e t a t o n e m o d u l e
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T M 3 - 6 6 6 5 - 3 1 6 - 1 2
b e l o n g s . T h e l a s t d i g i t o f t h e S E R I A L n u m b e r i s r e f e r r e d t o a s t h e U N I T n u m b e r .T h e U N I T n u m b e r t e l l s y o u i f t h e t o n e m o d u l e i s t o b e u s e d i n a t r a n s m i t t e r ( 5 ) o ri n a r e c e i v e r ( 1 , 2 , 3 , o r 4 ) .
A G R O U P / U N I T i d e n t i f i c a t i o n p l a t e i s m o u n t e d o n t h e o u t s i d e o f t h e t r a n s m i t t e r a n d
o n o n e f a c e o f e a c h r e c e i v e r r i n g . W h e n a t o n e m o d u l e i s i n s t a l l e d , t h e S E R I A L
n u m b e r i s w r i t t e n o n t h e p l a t e w i t h a c h i n a m a r k i n g ( g r e a s e ) p e n c i l . T h i s a l l o w s
y o u t o i d e n t i f y t h e t o n e m o d u l e w i t h o u t o p e n i n g a t r a n s m i t t e r o r r e m o v i n g a
r e c e i v e r f r o m i t s d e t e c t o r .
E v e r y t o n e m o d u l e i s p a r t o f a s e t . E a c h s e t c o n s i s t s o f o n e t r a n s m i t t e r t o n e
m o d u l e a n d f o u r r e c e i v e r t o n e m o d u l e s . E v e r y t o n e m o d u l e i n a s e t w i l l h a v e t h e
s a m e G R O U P n u m b e r . A t o n e m o d u l e c a n b e u s e d o n l y w i t h o t h e r t o n e m o d u l e s b e a r i n g
t h e s a m e G R O U P n u m b e r .
E a c h S i m u l a t o r i n c l u d e s t w o s e t s o f t o n e m o d u l e s . O n e s e t i s r e f e r r e d t o a s t h e
s t a n d a r d s e t , a n d t h e o t h e r i s r e f e r r e d t o a s t h e s p e c i a l - p u r p o s e s e t .
E v e r y s t a n d a r d s e t h a s G R O U P n u m b e r 0 0 0 , a n d i s t h e s a m e a s e v e r y o t h e r s t a n d a r d
s e t . A n y t r a n s m i t t e r c o n t a i n i n g a s t a n d a r d s e t t o n e m o d u l e c a n c a u s e a n y r e c e i v e r
c o n t a i n i n g a s t a n d a r d - s e t m o d u l e w i t h i n r a n g e t o r e s p o n d . T h i s a l l o w s y o u t o c a u s e
t w o - o r - m o r e r e c e i v e r s t o r e s p o n d a t a t i m e u s i n g a s i n g l e t r a n s m i t t e r .
T h e s p e c i a l - p u r p o s e s e t h a s a G R O U P n u m b e r o t h e r t h a n 0 0 0 , a n d i s d i f f e r e n t t h a n
t h e s t a n d a r d s e t . A r e c e i v e r c o n t a i n i n g a t o n e m o d u l e f r o m a s p e c i a l - p u r p o s e s e t
w i l l r e s p o n d o n l y t o a t r a n s m i t t e r c o n t a i n i n g a m o d u l e f r o m t h a t s a m e s e t .
T h e r e f o r e , t w o S i m u l a t o r s c a n b e o p e r a t e d i n a 1 0 0 0 - m e t e r r a d i u s w i t h o u t i n t e r -
f e r e n c e i f o n e S i m u l a t o r c o n t a i n s a s p e c i a l - p u r p o s e s e t .
P r e p a r i n g t h e r e c e i v e r f o r o p e r a t i o n r e q u i r e s n o t o o l s . T h e r e c e i v e r s a r e i n -
s t a l l e d b e t w e e n t h e c a s e - t o p a s s e m b l i e s a n d t h e c a s e - b o t t o m a s s e m b l i e s o f t h ed e t e c t o r s . W h e n r e c e i v e r s a r e i n s t a l l e d , t h e d e t e c t o r s c a n s t i l l b e u s e d i n a n y
s t a n d a r d c o n f i g u r a t i o n s . P r i o r t o o p e r a t i o n , t r a n s m i t t e r b a t t e r i e s m u s t b e i n -
s t a l l e d . T h i s p r o c e d u r e r e q u i r e s u s e o f t h e s c r e w d r i v e r c o n t a i n e d i n t h e t o n e
m o d u l e c a s e .
O p e r a t i o n o f t h e t r a n s m i t t e r r e q u i r e s t w o s t e p s . F i r s t , t h e C H A N S E L s w i t c h i s
t u r n e d t o t h e n u m b e r e d p o s i t i o n m a t c h i n g t h e U N I T n u m b e r o f t h e r e c e i v e r w h i c h i s
t o r e s p o n d . N e x t , t h e O P R s w i t c h i s p u s h e d t o t h e O P R p o s i t i o n a n d h e l d f o r 5
s e c o n d s . W h e n t h e s w i t c h i s r e l e a s e d , i t r e t u r n s t o t h e O F F p o s i t i o n b y i t s e l f .
T h e t r a n s m i t t e r i n c l u d e s a b u i l t - i n b a t t e r y t e s t . W h e n t h e O P R s w i t c h i s p u s h e d t o
O P R a n d t h e C H A N S E L s w i t c h i s i n t h e T E S T p o s i t i o n , t h e T E S T G O O D i n d i c a t o r w i l l
c o m e o n i f t h e b a t t e r i e s a r e a d e q u a t e . N o s i g n a l i s t r a n s m i t t e d w h e n t h e C H A N S E L
s w i t c h i s i n t h e T E S T p o s i t i o n . T h e T E S T G O O D i n d i c a t o r w i l l a l s o c o m e o n w h e n e v e r
t h e O P R s w i t c h i s p u s h e d t o O P R a n d t h e C H A N S E L s w i t c h i s i n t h e 1 , 2 , 3 o r 4
p o s i t i o n s i f t h e b a t t e r i e s a r e a d e q u a t e . A s i g n a l i s b r o a d c a s t w h e n t h e C H A N S E L
s w i t c h i s i n t h e 1 , 2 , 3 o r 4 p o s i t i o n s a n d t h e O P R s w i t c h i s p u s h e d t o O P R .
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TM 3-6665-316-12
P R I N C I P L E S O F O P E R A T I O N
B L O C K D I A G R A M
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T M 3 - 6 6 6 5 - 3 1 6 - 1 2
1 - 1 3 . TECHNICAL THEORY OF OPERATION
T h e S i m u l a t o r m a k e s i t p o s s i b l e t o a c t i v a t e M 4 3 A 1 D e t e c t o r s f r o m u p t o 1 0 0 0 m e t e r s
a w a y . U s i n g t h e S i m u l a t o r , a n o p e r a t o r c a n i m i t a t e t h e m o v e m e n t o f a c h e m i c a l
a g e n t c l o u d a c r o s s a n a r e a . E a c h S i m u l a t o r c o n s i s t s o f o n e t r a n s m i t t e r , f o u rr e c e i v e r s , c a b l e s , a n t e n n a s , a n d t w o s e t s o f t o n e m o d u l e s .
T h e t r a n s m i t t e r i s u s e d t o b r o a d c a s t a f r e q u e n c y - m o d u l a t e d ( F M ) r a d i o s i g n a l , w h i c h
c a u s e s a n e l e c t r o n i c s w i t c h c l o s u r e i n a r e c e i v e r . T h i s s w i t c h c l o s u r e c a u s e s a nM 4 3 A 1 D e t e c t o r t o a l a r m .
T h e s i g n a l b r o a d c a s t b y t h e t r a n s m i t t e r c o n s i s t s o f t h r e e d i f f e r e n t t o n e s w h i c h a r e
t r a n s m i t t e d i n a t i m e d s e q u e n c e . T h e a c t u a l t o n e s a n d t h e o r d e r i n w h i c h t h e y a r e
t r a n s m i t t e d c a n b e v a r i e d , a n d m a k e u p t h e s i g n a l c o d e . T h i s c o d e d e t e r m i n e s w h i c hr e c e i v e r ( s ) w i l l r e s p o n d t o a s i g n a l f r o m a t r a n s m i t t e r .
T h e k e y t o t h e c o d e i s t h e p l u g - i n t o n e m o d u l e . T h e t o n e m o d u l e c o n s i s t s o f t h r e er e s i s t o r s . T h e v a l u e s o f t h e r e s i s t o r s d e t e r m i n e t h e s i g n a l t o n e s . T h e p h y s i c a l
p o s i t i o n s o f t h e r e s i s t o r s i n t h e t o n e m o d u l e d e t e r m i n e t h e b a s i c s e q u e n c e . T h ea c t u a l s e q u e n c e i n w h i c h t h e t o n e s a r e t r a n s m i t t e d i s d e t e r m i n e d b y t h e s e t t i n g o ft h e 5 - p o s i t i o n C H A N S E L s w i t c h .
T h e s i g n a l c o d e a r e c e i v e r w i l l r e s p o n d t o i s d e t e r m i n e d b y t h e r e c e i v e r t o n em o d u l e . T h e r e c e i v e r t o n e m o d u l e a l s o c o n t a i n s t h r e e r e s i s t o r s . T h e v a l u e s o f t h e
r e s i s t o r s d e t e r m i n e t o w h i c h t o n e s t h e r e c e i v e r w i l l r e s p o n d . T h e p h y s i c a l p o s i -t i o n s o f t h e r e s i s t o r s i n t h e t o n e m o d u l e d e t e r m i n e t o w h i c h t o n e s e q u e n c e t h er e c e i v e r w i l l r e s p o n d .
E a c h t o n e m o d u l e i s i d e n t i f i e d b y a S E R I A L n u m b e r . T h e f i r s t t h r e e d i g i t s , o r
G R O U P n u m b e r , w i l l v a r y a c c o r d i n g t o t h e v a l u e s o f t h e r e s i s t o r s i n t h e t o n em o d u l e . T h e l a s t d i g i t , o r U N I T n u m b e r , w i l l v a r y a c c o r d i n g t o t h e p h y s i c a l p o s i -
t i o n s o f t h e r e s i s t o r s i n t h e t o n e m o d u l e . T h e U N I T n u m b e r f o r a t r a n s m i t t e r t o n em o d u l e i s a l w a y s 5 . T h e U N I T n u m b e r f o r a r e c e i v e r t o n e m o d u l e c a n b e 1 , 2 , 3 , o r
4 .
T h e t r a n s m i t t e r t o n e m o d u l e i s m o u n t e d o n t h e e n c o d e r p r i n t e d w i r i n g a s s e m b l y . T h e
r e c e i v e r t o n e m o d u l e i s m o u n t e d o n t h e d e c o d e r p r i n t e d w i r i n g a s s e m b l y .T r a n s m i t t e r t o n e m o d u l e s c a n n o t b e m o u n t e d i n r e c e i v e r s , a n d r e c e i v e r t o n e m o d u l e s
c a n n o t b e m o u n t e d i n t r a n s m i t t e r s .
CAUTION
A n y a t t e m p t t o m o u n t a t r a n s m i t t e r t o n e m o d u l ei n a r e c e i v e r o r v i c e - v e r s a c o u l d d a m a g e t h e
e q u i p m e n t .
E a c h t o n e m o d u l e i s p a r t o f a s e t . E a c h s e t c o n s i s t s o f o n e t r a n s m i t t e r t o n e
m o d u l e a n d f o u r r e c e i v e r t o n e m o d u l e s . T h e G R O U P n u m b e r s o n a l l f i v e t o n e m o d u l e s
i n a s e t w i l l b e t h e s a m e .
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T M 3 - 6 6 6 5 - 3 1 6 - 1 2
1 - 1 3 . TECHNICAL T H E O R Y O F O P E R A T I O N ( c o n t i n u e d )
E a c h S i m u l a t o r i n c l u d e s t w o s e t s o f t o n e m o d u l e s . O n e s e t i s k n o w n a s t h e s t a n d a r d
s e t , a n d t h e o t h e r s e t i s k n o w n a s t h e s p e c i a l - p u r p o s e s e t .
E v e r y t o n e m o d u l e i n a s t a n d a r d s e t h a s a G R O U P n u m b e r 0 0 0 . E v e r y s t a n d a r d s e t i s
t h e s a m e . T h a t i s , t h e t o n e m o d u l e s i n a l l s t a n d a r d s e t s c o n t a i n t h e s a m e r e s i s t o r s
a r r a n g e d i n t h e s a m e s e q u e n c e s . E v e r y t o n e m o d u l e w i t h S E R I A L n u m b e r 0 0 0 - 4 , f o r
e x a m p l e , i s t h e s a m e a s e v e r y o t h e r t o n e m o d u l e w i t h t h a t S E R I A L n u m b e r .
S p e c i a l - p u r p o s e t o n e m o d u l e s e t s h a v e G R O U P n u m b e r s o t h e r t h a n 0 0 0 . R e c e i v e r sc o n t a i n i n g t o n e m o d u l e s f r o m a s p e c i a l - p u r p o s e s e t w i l l r e s p o n d o n l y t o a t r a n s m i t -
t e r c o n t a i n i n g a t o n e m o d u l e f r o m t h e s a m e s e t .
A t r a n s m i t t e r i s p o w e r e d b y b a t t e r i e s w h i c h a r e m o u n t e d i n t h e u n i t . P o w e r i s
r o u t e d t o t h e e n c o d e r p r i n t e d w i r i n g a s s e m b l y w h e n t h e O P R s w i t c h i s p u s h e d t o O P R
a n d t h e C H A N S E L s w i t c h i s s e t t o 1 , 2 , 3 , o r 4 . A b u i l t - i n t e s t c i r c u i t m o n i t o r s
b a t t e r y v o l t a g e , a n d c a u s e s t h e T E S T G O O D i n d i c a t o r t o l i g h t i f t h e b a t t e r i e s a r e
g o o d . A t t h e s a m e t i m e , a s i g n a l i s t r a n s m i t t e d .
I f t h e O P R s w i t c h i s p u s h e d t o t h e O P R p o s i t i o n w h i l e t h e C H A N S E L s w i t c h i s s e t t o
T E S T , p o w e r i s r o u t e d t o a d u m m y l o a d w h i c h s i m u l a t e s t h e t r a n s m i t t e r - c i r c u i t r yl o a d . I f t h e b a t t e r i e s a r e g o o d , t h e T E S T G O O D i n d i c a t o r c o m e s o n . N o s i g n a l i sb r o a d c a s t .
B a t t e r i e s w h i c h t e s t G O O D a s s u r e t h a t t h e t r a n s m i t t e r c a n b r o a d c a s t a s i g n a l 1 0 0 0
m e t e r s .
R e c e i v e r s a r e i n s t a l l e d i n , a n d d r a w o p e r a t i n g p o w e r f r o m , t h e h o s t d e t e c t o r s .E v e r y d e c o d e r p r i n t e d w i r i n g a s s e m b l y i n c l u d e s a v o l t a g e r e g u l a t o r . T h e r e f o r e , t h er e c e i v e r c a n b e o p e r a t e d w h e n e v e r p o w e r w i t h i n t h e c o r r e c t r a n g e ( + 1 8 t o + 3 6 V ) i s
c o n n e c t e d t o t h e d e t e c t o r . T h e r e c e i v e r r e q u i r e s a n o m i n a l + 1 2 V .
A M 4 3 A l I n t e r f a c e C a b l e i s u s e d t o c o n n e c t r e c e i v e r a n d d e t e c t o r c i r c u i t r y w h e n ar e c e i v e r i s i n s t a l l e d i n a M 4 3 A 1 D e t e c t o r . T h i s c a b l e a t t a c h e s t o a t e s t c o n n e c t o ro n t h e d e t e c t o r . P o w e r a n d n e c e s s a r y s i g n a l s t r a v e l b e t w e e n t h e d e t e c t o r a n d t h er e c e i v e r t h r o u g h t h i s c a b l e . W h e n a c o r r e c t l y c o d e d t r a n s m i t t e r s i g n a l i s p i c k e d
u p , a r e l a y i n t h e d e c o d e r p r i n t e d w i r i n g a s s e m b l y c l o s e s . T h i s c l o s u r e r o u t e s a ne l e c t r i c a l g r o u n d t o t h e d e t e c t o r c i r c u i t r y t h r o u g h t h e i n t e r f a c e c a b l e . T h eg r o u n d t r i g g e r s t h e b u i l t - i n - t e s t ( B I T ) c i r c u i t , c a u s i n g ‘ t h e d e t e c t o r t o a l a r m .
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T M 3 - 6 6 6 5 - 3 1 6 - 1 2
CHAPTER 2
OPERATING INSTRUCTIONS
S e c t i o n I . DESCRIPTION AND USE OF OPERATOR’S CONTROLS AND
INDICATORS
2 - 1 . TRANSMITTER
CAUTION
D o n o t o p e r a t e t r a n s m i t t e r O P R s w i t c h i f
a n t e n n a i s n o t i n s t a l l e d .
T r a n s m i t t e r c o n t r o l s a n d i n d i c a t o r s c o n s i s t o f t h e O P R s w i t c h , t h e T E S T G O O D i n -d i c a t o r , a n d t h e C H A N S E L s w i t c h .
a . T h e O P R s w i t c h ( 1 ) i s a 2 - p o s i t i o n m o m e n t a r y s w i t c h . W h e n t h e s w i t c h i s i n
t h e o f f p o s i t i o n , n o c u r r e n t i s r o u t e d t o t r a n s m i t t e r c i r c u i t r y . W h e n t h e s w i t c h
i s p u s h e d t o t h e O P R p o s i t i o n , t h e T E S T G O O D i n d i c a t o r w i l l l i g h t i f t h e t r a n s m i t -t e r b a t t e r i e s a r e g o o d . T h e t r a n s m i t t e r w i l l b r o a d c a s t a c o d e d s i g n a l i f t h e C H A N
S E L s w i t c h i s i n P o s i t i o n 1 , 2 , 3 , o r 4 .
b . T h e T E S T G O O D i n d i c a t o r ( 2 ) i s a r e d i n d i c a t o r l i g h t . T h i s i n d i c a t o r c o m e s o n
w h e n e v e r t h e O P R s w i t c h i s p u s h e d t o t h e O P R p o s i t i o n i f t h e t r a n s m i t t e r b a t t e r i e sa r e g o o d .
c . T h e C H A N S E L s w i t c h ( 3 ) i s a 5 - p o s i t i o n r o t a r y s e l e c t o r s w i t c h . F o u r p o s i -
t i o n s c o r r e s p o n d t o U N I T n u m b e r s r e c o r d e d o n t h e G R O U P / U N I T i d e n t i f i c a t i o n p l a t e sm o u n t e d o n r e c e i v e r s . T h e f i f t h p o s i t i o n i s t h e T E S T p o s i t i o n . W h e n t h e O P R
s w i t c h i s p u s h e d t o t h e O P R p o s i t i o n ~ t h e r e c e i v e r ( s ) w i t h a U N I T n u m b e r m a t c h i n g
t h e C H A N S E L s w i t c h n u m b e r e d s e t t i n g w i l l b e a c t i v a t e d . I f t h e C H A N S E L s w i t c h i s
i n t h e T E S T p o s i t i o n , a b a t t e r y t e s t c i r c u i t w i l l c h e c k b a t t e r y v o l t a g e , a n d n or e c e i v e r s w i l l b e a c t i v a t e d .
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T M 3 - 6 6 6 5 - 3 1 6 - 1 2
S e c t i o n I I . OPERATOR PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS)
2 - 3 . GENERAL
a ) P u r p o s e . C h e c k s a n d s e r v i c e s l i s t e d i n T a b l e 2 - 1 a r e r o u t i n e p r o c e d u r e s
f o r e n s u r i n g S i m u l a t o r e q u i p m e n t i s i n s e r v i c e a b l e c o n d i t i o n .
b ) A l w a y s k e e p i n m i n d t h e C A U T I O N S a n d W A R N I N G S . P e r f o r m t h e c h e c k s l i s t e di n T a b l e 2 - 1 b e f o r e o p e r a t i n g t h e S i m u l a t o r e q u i p m e n t .
c ) R e p o r t a n y m a l f u n c t i o n s o r f a i l u r e s o n t h e p r o p e r f o r m s ( s e e D A P A M 7 3 8 -
7 5 0 ) . I f e q u i p m e n t i s n o t s e r v i c e a b l e , d o n o t a c c e p t o n h a n d r e c e i p t .
2 - 4 . PMCS COLUMN ENTRIES
a . I t e m N u m b e r C o l u m n . U s e t h i s c o l u m n f o r i t e m n u m b e r s t o p u t i n t h e T Mn u m b e r c o l u m n o n D A F o r m 2 4 0 4 E q u i p m e n t I n s p e c t i o n a n d M a i n t e n a n c e W o r k s h e e t , w h e n
r e c o r d i n g r e s u l t s o f P M C S .
b . I n t e r v a l C o l u m n . T h i s c o l u m n , h e a d e d " B " , c o n t a i n s a d o t ( Ž ) o p p o s i t e
t h e a p p r o p r i a t e c h e c k s t o b e p e r f o r m e d b e f o r e o p e r a t i o n .
c . I t e m t o b e I n s p e c t e d / P r o c e d u r e C o l u m n . C o n t a i n s t h e i t e m s t o b e i n -
s p e c t e d . T h i s c o l u m n a l s o c o n t a i n s a b r i e f d e s c r i p t i o n o f h o w t h e c h e c k i s t o b ep e r f o r m e d . I t c o n t a i n s a l l t h e i n f o r m a t i o n n e e d e d - t o d o
d . E q u i p m e n t i s N o t R e a d y / A v a i l a b l e i f : C o l u m n .
a n d w h y y o u r e q u i p m e n t c a n n o t b e u s e d .
OPERATOR
NOTE : W i t h i n d e s i g n a t e dl i s t e d .
B - B e f o r e O p e r a t i o n
T A B L E 2 - 1PREVENTIVE MAINTENANCE
i n t e r v a l , t h e s e c h e c k s
t h e c h e c k s a n d s e r v i c e s .
T h i s c o l u m n t e l l s y o u w h e n
CHECKS AND SERVICES
a r e t o b e p e r f o r m e d i n t h e o r d e r
I t e m I n t e r v a l E q u i p m e n t i s N o t
N o . B I t e m t o b e I n s p e c t e d / P r o c e d u r e R e a d y / A v a i l a b l e i f :
1 • TRANSIT CASE
C h e c k t o s e e t h a t t r a n s i t c a s e c o n t e n t s a r e A n y i t e m i s
c o m p l e t e ( P a r a g r a p h 1 - 8 a ) . m i s s i n g .
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TM 3-6665-316-12
B - B e f o r e O p e r a t i o n
2-3
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T M 3 - 6 6 6 5 - 3 1 6 - 1 2
T A B L E 2 - 1OPERATOR PREVENTIVE MAINTRNANCE CHECKS AND SERVICES (cont inued)
B - B e f o r e O p e r a t i o n
2 - 4
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T M 3 - 6 6 6 5 - 3 1 6 - 1 2
B - B e f o r e O p e r a t i o n
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T M 3 - 6 6 6 5 - 3 1 6 - 1 2
T A B L E 2 - 1
OPERATOR PREVENTIVE MAINTANANCE CHECKS A N D S E R V I C E S ( c o n t i n u e d )
2 - 6
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T M 3 - 6 6 6 5 - 3 1 6 - 1 2
B - B e f o r e O p e r a t i o n
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T M 3 - 6 6 6 5 - 3 1 6 - 1 2
S e c t i o n I I I . OPERATION UNDER USUAL CONDITIONS
2 - 5 . ASSEMBLY AND PREPARATION FOR USE
P r o c e d u r e s r e q u i r e d t o a s s e m b l e t h e S i m u l a t o r a n d p r e p a r e i t f o r u s e c o n s i s t o f :
oooo
a .
T r a n s i t C a s e O p e n i n g P r o c e d u r e s .
I n s t a l l a t i o n o f T r a n s m i t t e r A n t e n n a .
E n s u r e t h e M 4 3 A 1 D e t e c t o r i s O p e r a t i n g P r o p e r l y .
I n s t a l l a t i o n o f R e c e i v e r i n M 4 3 A 1 D e t e c t o r .
T r a n s i t C a s e O p e n i n g P r o c e d u r e
T o o p e n t h e t r a n s i t c a s e , p e r f o r m t h e f o l l o w i n g :
1 . P o s i t i o n t r a n s i t c a s e o n f l a t s u r f a c e s o p r e s s u r e r e l i e f v a l v e ( 1 )i s t o w a r d y o u a n d o n t h e b o t t o m h a l f o f t h e c a s e .
2 . P r e s s p r e s s u r e r e l i e f v a l v e t o r e l i e v e p r e s s u r e t h a t m a y h a v e b u i l t
u p i n t h e c a s e .
3 . U n h o o k l a t c h e s ( 2 ) .
4 . O p e n t r a n s i t c a s e t o s h o w S i m u l a t o r p a r t s .
5 . U s e t r a n s i t c a s e f o r t r a n s p o r t o r s t o r a g e a s n e e d e d .
2 - 8
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T M 3 - 6 6 5 - 3 1 6 - 1 2
b . I n s t a l l a t i o n o f T r a n s m i t t e r A n t e n n a
T o i n s t a l l t r a n s m i t t e r a n t e n n a , p e r f o r m t h e f o l l o w i n g :
1 . L o c a t e c o a x i a l c o n n e c t o r ( l ) .
2 . R e m o v e a n t e n n a f r o m t r a n s i t c a s e . A l i n e s l o t s ( 2 ) o n a n t e n n a j a c k
w i t h s t u d s ( 3 ) o n c o a x i a l c o n n e c t o r .
3 . P u s h a n t e n n a j a c k d o w n o n t o c o a x i a l c o n n e c t o r a n d , a t s a m e t i m e ,
t u r n a n t e n n a j a c k c l o c k w i s e l / 4 t u r n t o l o c k .
c . E n s u r e t h e M 4 3 A 1 D e t e c t o r i s O p e r a t i n g P r o p e r l y
P e r f o r m t h e o p e r a t i o n a l c h e c k i n O p e r a t o r P M C S P r o c e d u r e s ( T M 3 - 6 6 6 5 - 3 1 2 - - l 2 & P ) .
2 - 9
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T M 3 - 6 6 6 5 - 3 1 6 - 1 2
2 - 5 . A S S E M B L Y A N D P R E P A R A T I O N F O R U S E ( c o n t i n u e d )
d . I n s t a l l a t i o n o f R e c e i v e r i n M 4 3 A 1 D e t e c t o r
T o i n s t a l l a r e c e i v e r i n a n M 4 3 A 1 D e t e c t o r , p e r f o r m t h e f o l l o w i n g :
1 .
2 .
3 .
4 .
5 .
6 .
7 .
8 .
P o s i t i o n d e t e c t o r s o t h a t t h e w o r d s 2 4 V D C I N P U T a n d A I R F I L T E R a r e
t o w a r d y o u .
I f d e t e c t o r i s p o w e r e d b y B A 3 5 1 7 / U B a t t e r y , p u l l o u t o n B A 3 5 1 7 / U
B a t t e r y P o w e r C a b l e c o n n e c t o r ( 1 ) u n t i l i t i s d i s e n g a g e d f r o m 2 4 V D C
I N P U T c o n n e c t o r ( 2 ) . I f d e t e c t o r i s c o n n e c t e d t o a n y o t h e r p o w e r
s o u r c e , t u r n p o w e r s o u r c e c o n n e c t o r l o c k r i n g 1 / 4 t u r n c o u n t e r c l o c k -
w i s e , a n d t h e n p u l l i t a w a y f r o m 2 4 V D C I N P U T c o n n e c t o r u n t i l
c o n n e c t o r s a r e d i s e n g a g e d .
R e l e a s e f o u r l a t c h e s ( 3 ) h o l d i n g d e t e c t o r c a s e - t o p a s s e m b l y t o
b o t t o m a s s e m b l y . D i s e n g a g e l a t c h e s f r o m c a t c h e s o n c a s e - t o p
a s s e m b l v .
c a s e -
P u l l u p o n d e t e c t o r c a r r y i n g h a n d l e u n t i l d e t e c t o r i n t e r n a l c o m -
p o n e n t s c l e a r r i m o f c a s e - b o t t o m a s s e m b l y .
P o s i t i o n c a s e - t o p a s s e m b l y s o w o r d C A U T I O N a n d b l a c k r a d i a t i o n h a z a r d
s y m b o l o n o n e f a c e o f c a s e - t o p a s s e m b l y a r e u p , i n t e r n a l c o m p o n e n t s
p o i n t u p a t a n a n g l e t o y o u r r i g h t , a n d c a s e - t o p a s s e m b l y r e s t s o n
c a r r y i n g h a n d l e a n d o n e t o p e d g e ( a s s h o w n ) .
R e m o v e M 4 3 A 1 I n t e r f a c e C a b l e f r o m t r a n s i t c a s e .
L i n e u p p i n s o n p l u g o n M 4 3 A I I n t e r f a c e C a b l e w i t h h o l e s o n 1 4 - p i n
T e s t C o n n e c t o r J 1 O ( 4 ) . B e s u r e k e y i n g p i n s o n t w o c o n n e c t o r s l i n e
u p m a l e - t o - f e m a l e .
P u s h p i n s o n M 4 3 A 1 I n t e r f a c e C a b l e p l u g i n t o h o l e s o n T e s t C o n n e c t o r
J 1 O u n t i l p i n s a r e f u l l y s e a t e d .
2 - 1 0
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TM 3-6665-316-12
9 . R e m o v e r e c e i v e r f r o m t r a n s i t c a s e .
1 0 . P o s i t i o n r e c e i v e r ( 5 ) o n f l a t s u r f a c e s o r e c e i v e r r i n g i s u p , e x -t e n d e r i s d o w n , a n d c o a x i a l c o n n e c t o r ( 6 ) , i s t o y o u r l e f t .
1 1 . L o o k i n g d o w n i n t o r e c e i v e r r i n g , l o c a t e C o n n e c t o r P 1 ( 7 ) o n d e c o d e rp r i n t e d w i r i n g a s s e m b l y .
1 2 . P o s i t i o n c a s e - t o p a s s e m b l y a b o v e r e c e i v e r r i n g s o w o r d C A U T I O N a n db l a c k r a d i a t i o n h a z a r d s y m b o l a r e t o w a r d y o u .
CAUTION
T h e M 4 3 A 1 I n t e r f a c e C a b l e m u s t n o t i n t e r f e r ew i t h e l e c t r i c a l s p r i n g c o n t a c t s o r I n t e r f a c eC a b l e R e t a i n e r o n i n s i d e o f r i n g o r e x t e n db e t w e e n c a s e - t o p a s s e m b l y a n d r e c e i v e r r i n gt o p s u r f a c e o r d a m a g e m a y r e s u l t .
2 - 1 1
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T M 3 - 6 6 6 5 - 3 1 6 - 1 2
2 - 5 . ASSEMBLY AND PREPARATION FOR USE (cont inued)
1 3 . W h i l e g u i d i n g M 4 3 A 1 I n t e r f a c e C a b l e o u t t h r u b o t t o m o f r e c e i v e r r i n g ,
l o w e r d e t e c t o r i n t e r n a l c o m p o n e n t s i n t o r e c e i v e r r i n g . B e s u r e n o n eo f M 4 3 A l I n t e r f a c e C a b l e e x t e n d s b e t w e e n c a s e - t o p a s s e m b l y a n dr e c e i v e r r i n g t o p s u r f a c e . B e s u r e c a b l e d o e s n o t i n t e r f e r e w i t h
e l e c t r i c a l s p r i n g c o n t a c t s ( 8 ) o r i n t e r f a c e c a b l e r e t a i n e r ( 9 ) o ni n s i d e o f r e c e i v e r r i n g .
1 4 .
1 5 .
1 6 .
L o w e r c a s e - t o p a s s e m b l y u n t i l b o t t o m s u r f a c e c o n t a c t s t o p s u r f a c e o f
r e c e i v e r r i n g , e n s u r i n g M 4 3 A 1 I n t e r f a c e C a b l e b o a r d i s p r o p e r l y
s e a t e d i n i n t e r f a c e c a b l e r e t a i n e r .
E n g a g e f o u r l a t c h e s o n r e c e i v e r r i n g w i t h f o u r c a t c h e s o n c a s e - t o p
a s s e m b l y . P u s h d o w n o n f o u r l o c k i n g t a b s t o l o c k l a t c h e s .
P u s h t w o c a t c h e s ( 1 0 ) o n C o n n e c t o r P I ( 7 ) o n d e c o d e r p r i n t e d w i r i n ga s s e m b l y a p a r t . L i n e u p M 4 3 A 1 I n t e r f a c e C a b l e C o n n e c t o r J 1 ( 1 1 ) w i t hC o n n e c t o r P 1 .
2 - 1 2
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T M 3 - 6 6 6 5 - 3 1 6 - 1 2
1 7 .
1 8 .
1 9 .
2 0 .
2 1 .
2 2 .
2 3 .
2 4 .
P u s h M 4 3 A 1 I n t e r f a c e C a b l e c o n n e c t o r o n t o C o n n e c t o r P 1 u n t i l c a t c h e s
o n C o n n e c t o r P 1 c l o s e o n b a c k o f M 4 3 A 1 I n t e r f a c e C a b l e c o n n e c t o r .
P u s h t w o c a t c h e s t o g e t h e r u n t i l t h e y s n a p i n t o s t r a i g h t - a h e a d p o s i -
t i o n . C a r e f u l l y t u c k e x c e s s c a b l e i n t o r e c e i v e r r i n g s o t h a t n o p a r t
o f c a b l e s t i c k s o u t .
P o s i t i o n c a s e - b o t t o m a s s e m b l y s o U S U A L R E S E R V I C I N G I N S T R U C T I O N p l a t e
i s t o w a r d y o u .
P o s i t i o n c a s e - t o p a s s e m b l y a n d r e c e i v e r a s s e m b l y a b o v e c a s e - b o t t o m
a s s e m b l y . T h e w o r d s 2 4 V D C I N P U T a n d A I R ’ F I L T E R s h o u l d b e t o w a r d
you .
L o w e r r e c e i v e r u n t i l b o t t o m s u r f a c e o f r e c e i v e r r i n g c o n t a c t s t o p
s u r f a c e o f c a s e - b o t t o m a s s e m b l y .
E n g a g e f o u r l a t c h e s o n c a s e b o t t o m a s s e m b l y w i t h f o u r c a t c h e s o n
r e c e i v e r r i n g . P u s h d o w n o n l a t c h - l o c k i n g t a b s t o l o c k l a t c h e s .
NOTE
D o n o t c o n n e c t p o w e r s o u r c e c o n n e c t o r t o 2 4
V D C I N P U T c o n n e c t o r u n t i l s o i n s t r u c t e d .
I f B A 3 5 1 7 / U B a t t e r y i s i n s t a l l e d w i t h t h e M 4 3 A 1 D e t e c t o r , b e g i n a t
S t e p 2 3 . I f B A 3 5 1 7 / U B a t t e r y i s n o t i n s t a l l e d w i t h M 4 3 A 1 D e t e c t o r ,
g o t o S t e p 2 5 .
R e m o v e e x t e n d e r c a b l e f r o m t r a n s i t
P u s h e x t e n d e r c a b l e c o n n e c t o r ( 1 2 )
c o n n e c t o r ( 1 3 ) t o g e t h e r u n t i l t h e y
c a s e .
a n d B A 3 5 1 7 / U B a t t e r y P o w e r C a b l e
a r e f u l l y s e a t e d .
2 - 1 3
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TX 3-6665-316-12
2-5. ASSEMBLY AND PREPARATION FOR USE (continued)
25. Locate coaxial connector (14) on one face of receiver ring.
26. Remove antenna from transit case. Aline slots (15) on antenna jackwith studs (16) on coaxial connector.
27. Push antenna jack down onto coaxial connector and, at same time, turnantenna jack clockwise 1/4 turn to lock.
28.
29.
3 0 .
31.
32.
33 ●
2-14
P16
rIf detector is to be powered by BA3517/U Batteryy perform Steps 29and 30. If detector is to be powered by source other than BA3517/UBattery, go to Step 31.
Notify personnel within audible range thatan alarm may sound. Pushextender cable connector onto M43A1 Detector 24 VDC INPUT connectorand then turn connector 1/4 turn clockwise to lock.
Go to Step 32.
To connect power source other than BA3517/U Battery, notify person-nel within audible range that an alarm may sound. Push power sourceconnector onto M43A1 Detector 24 VDC INPUT connector and then turnpower source connector lockring 1/4 turn clockwise to lock.
If alarm sounds when power is connected , allow the alarm to sound atleast five times. Then press BATTERY TEST AND RESET PRESS button.The BATTERY TEST AND RESET PRESS button may have to be held down for60 seconds. The above procedure may have to be repeated severaltimes.
Repeat the above steps for each receiver.
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T M 3 - 6 6 6 5 - 3 1 6 - 1 2
3 4 . P e r f o r m t h e R e c e i v e r T e s t P r o c e d u r e ( P a r a g r a p h 4 - 1 7 ) .
3 5 . Y o u a r e n o w r e a d y t o g o o n t o O p e r a t i n g P r o c e d u r e s ( P a r a g r a p h 2 - 6 ) .
2 - 6 . OPERATING PROCEDURES
a . C h o o s i n g a S i t e
W h e n y o u a r e c h o o s i n g a s i t e f o r a n e x e r c i s e i n w h i c h a S i m u l a t o r w i l l
n e e d t o t a k e i n t o a c c o u n t t w o t h i n g s :
o A r e t h e r e c e i v e r / d e t e c t o r s d e p l o y e d t h e w a y t h e y w o u l d b e o n
t l e f i e l d ?
b e u s e d , y o u
a b a t –
o A r e t h e r e c e i v e r / d e t e c t o r s a n d t r a n s m i t t e r d e p l o y e d s o t h a t t h e s i g n a l
f r o m t h e t r a n s m i t t e r c a n r e a c h a l l r e c e i v e r / d e t e c t o r s a n d c a u s e t h e
d e t e c t o r s t o g o i n t o a l a r m ?
1 . A r e t h e r e c e i v e r / d e t e c t o r s d e p l o y e d t h e w a y t h e y w o u l d b e o n a b a t -
t l e f i e l d ?
T h e M 4 3 A 1 D e t e c t o r i s d e s i g n e d t o p r o v i d e a t a c t i c a l u n i t w i t h t w o t h i n g s i t s
m e m b e r s w i l l n e e d t o s u r v i v e d u r i n g a c h e m i c a l a t t a c k :
o D e t e c t i o n o f a t o x i c a g e n t c l o u d , a n d
o E a r l y w a r n i n g t o t r o o p s i n t h e p r o t e c t e d p o s i t i o n .
O n a b a t t l e f i e l d , g o o d j u d g e m e n t i n d e p l o y i n g d e t e c t o r s c a n m e a n t h e d i f f e r e n c e
b e t w e e n t i m e l y d e t e c t i o n o f a n a t t a c k o r m a s s i v e n u m b e r s o f c h e m i c a l c a s u a l t i e s .
T h e M 4 3 A 1 D e t e c t o r c a n b e r e m o t e d u p t o 4 0 0 m e t e r s f r o m t h e M 4 2 A l a r m . T h e g r e a t e r
t h e r e m o t e d d i s t a n c e , t h e g r e a t e r t h e w a r n i n g t i m e . H o w e v e r , t h e r e a r e p r a c t i c a l
l i m i t s t o t h e r e m o t e d d i s t a n c e . I f i t i s t o o g r e a t , t h e a g e n t c l o u d s t h a t h a v e n o
c h a n c e o f h i t t i n g t h e p o s i t i o n w i l l b e d e t e c t e d . I f t h e M 4 3 A 1 D e t e c t o r s a r e t o o
f a r o u t , t h e r e i s a c h a n c e o f a n a g e n t c l o u d s l i p p i n g b e h i n d t h e m . T o d e c i d e t h e
a c t u a l l o c a t i o n o f d e t e c t o r s , y o u m u s t c o n s i d e r t h e c h e m i c a l a g e n t d e l i v e r y t h r e a t ,
t h e t e r r a i n , a n d t h e s t a t e o f p r e p a r e d n e s s o f f r i e n d l y t r o o p s .
U s u a l l y , t h e S i m u l a t o r w i l l b e u s e d w i t h f o u r d e t e c t o r s . O n t h e b a t t l e f i e l d , w h e n
f o u r d e t e c t o r s ( a s o p p o s e d t o s i x ) a r e u s e d t o p r o t e c t a p o s i t i o n , t h e d e t e c t o r s
a r e s h i f t e d i n t o t h e w i n d w h e n e v e r t h e w i n d d i r e c t i o n c h a n g e s m o r e t h a n 2 0 d e g r e e s .T h i s e n s u r e s t h a t t h e d e t e c t o r s a r e a l w a y s u p w i n d o f t h e u n i t o r u n i t s t o b ep r o t e c t e d .
W h e n c h o o s i n g a s i t e f o r p l a c e m e n t o f r e c e i v e r / d e t e c t o r s d u r i n g a n e x e r c i s e , r e m e m -
b e r o n e i m p o r t a n t t h i n g : d e t e c t o r s s h o u l d b e d e p l o y e d a c c o r d i n g t o w i n d d i r e c t i o n ,
n o t a c c o r d i n g t o t h e d i r e c t i o n o f t h e e n e m y .
T h e r e c e i v e r / d e t e c t o r s s h o u l d b e w i t h i n l i n e - o f - s i g h t o f t h e t r a n s m i t t e r , a n d t h e r e
s h o u l d b e a s f e w b u i l d i n g s , t r e e s , o r o t h e r o b s t a c l e s s e p a r a t i n g t r a n s m i t t e r a n d
r e c e i v e r / d e t e c t o r s a s p o s s i b l e .
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T M 3 - 6 6 6 5 - 3 1 6 - 1 2
2 - 6 . O P E R A T I N G P R O C E D U R E S ( c o n t i n u e d )
2 . A r e t h e r e c e i v e r / d e t e c t o r s a n d t r a n s m i t t e r d e p l o y e d s o t h a t a s i g n a lf r o m t h e t r a n s m i t t e r w i l l c a u s e t h e d e t e c t o r s t o g o i n t o a l a r m ?
A t r a n s m i t t e r m u s t b e l o c a t e d i n a p o s i t i o n t h a t w i l l a s s u r e c o m m u n i c a t i o n w i t h a l l
r e c e i v e r / d e t e c t o r s w i t h w h i c h i t i s t o o p e r a t e . T o e n s u r e e f f i c i e n t t r a n s m i s s i o n
a n d r e c e p t i o n , t h e f o l l o w i n g f a c t o r s s h o u l d b e c o n s i d e r e d :
o H i l l s a n d m o u n t a i n s b e t w e e n t r a n s m i t t e r a n d r e c e i v e r s n o r m a l l y l i m i t t h e
r a n g e o f t h e S i m u l a t o r . I n m o u n t a i n o u s o r h i l l y t e r r a i n , p o s i t i o n s r e l a -
t i v e l y h i g h o n t h e s l o p e s s h o u l d b e s e l e c t e d . L o c a t i o n s a t t h e b a s e o f a
c l i f f o r i n a d e e p r a v i n e o r v a l l e y s h o u l d b e a v o i d e d . A l o c a t i o n t h a t
w i l l g i v e l i n e - o f - s i g h t t r a n s m i s s i o n s h o u l d b e s e l e c t e d w h e n e v e r p o s s i b l e .
o D r y g r o u n d h a s h i g h r e s i s t a n c e a n d l i m i t s t h e r a n g e o f g o o d t r a n s m i s s i o n
a n d r e c e p t i o n . I f p o s s i b l e , t h e t r a n s m i t t e r a n d r e c e i v e r s s h o u l d b e
l o c a t e d n e a r m o i s t g r o u n d , w h i c h h a s m u c h l e s s r e s i s t a n c e . W a t e r , a n d i n
p a r t i c u l a r s a l t w a t e r , w i l l g r e a t l y i n c r e a s e t h e d i s t a n c e s t h a t c a n b e
c o v e r e d .
o T r e e s w i t h h e a v y f o l i a g e a b s o r b r a d i o w a v e s , a n d l e a f y t r e e s h a v e m o r e o f
a n a d v e r s e e f f e c t t h a n e v e r g r e e n s . W e t f o l i a g e h a s m o r e o f a d v e r s e e f f e c t
t h a n d r y f o l i a g e . T h e t r a n s m i t t e r a n d r e c e i v e r a n t e n n a s s h o u l d b e k e p t
c l e a r o f a l l f o l i a g e a n d d e n s e b r u s h .
o A p o s i t i o n i n a t u n n e l o r b e n e a t h a n u n d e r p a s s o r s t e e l b r i d g e s h o u l d n o t
b e s e l e c t e d . T r a n s m i s s i o n a n d r e c e p t i o n u n d e r t h e s e c o n d i t i o n s a r e a l m o s t
i m p o s s i b l e .
o B u i l d i n g s l o c a t e d b e t w e e n t h e t r a n s m i t t e r a n d r e c e i v e r , p a r t i c u l a r l y s t e e l
a n d r e i n f o r c e d c o n c r e t e s t r u c t u r e s , h i n d e r b o t h t r a n s m i s s i o n a n d r e c e p -
t i o n .
o A l l t y p e s o f p o l e w i r e l i n e s , s u c h a s t e l e p h o n e , t e l e g r a p h , a n d h i g h -
t e n s i o n p o w e r l i n e s , s h o u l d b e a v o i d e d w h e n y o u a r e s e l e c t i n g a s i t e .
S u c h w i r e l i n e s a b s o r b p o w e r f r o m r a d i a t i n g a n t e n n a s l o c a t e d i n t h e i r
v i c i n i t y . S u c h l i n e s a l s o i n t r o d u c e h u m a n d n o i s e i n t e r f e r e n c e i n r e c e i v -
i n g a n t e n n a s .
o P o s i t i o n s a d j a c e n t t o h e a v i l y t r a v e l e d r o a d s a n d h i g h w a y s s h o u l d b e
a v o i d e d . I n a d d i t i o n t o t h e n o i s e a n d c o n f u s i o n c a u s e d b y t a n k s a n d
t r u c k s , i g n i t i o n s y s t e m s i n v e h i c l e s m a y c a u s e e l e c t r i c a l i n t e r f e r e n c e .
o B a t t e r y - c h a r g i n g u n i t s a n d g e n e r a t o r s s h o u l d n o t b e l o c a t e d c l o s e t o
t r a n s m i t t e r o r r e c e i v e r s .
o A t m o s p h e r i c c o n d i t i o n s c a n a l s o a f f e c t t r a n s m i s s i o n a n d r e c e p t i o n . S u c hc o n d i t i o n s i n c l u d e f o g , t h u n d e r s t o r m s , a n d s u n s p o t s .
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T M 3 - 6 6 6 5 - 3 1 6 - 1 2
F o r m o r e f a c t o r s a f f e c t i n g t r a n s m i s s i o n a n d r e c e p t i o n , y o u s h o u l d r e a d U S A r m y
f i e l d m a n u a l F M 2 4 - 1 8 , T a c t i c a l S i n g l e - C h a n n e l R a d i o C o m m u n i c a t i o n s T e c h n i q u e s .
NOTE
I f y o u t h i n k t h a t c o n d i t i o n s a t t h e e x e r c i s e
s i t e c o u l d h a v e a n a d v e r s e e f f e c t o n r a d i o
t r a n s m i s s i o n o r r e c e p t i o n , c o n d u c t a p r e -e x e r c i s e d r y r u n .
b . O p e r a t i o n o f t h e S i m u l a t o r S y s t e m
1 .
2 .
3 .
M a k e s u r e A s s e m b l y a n d P r e p a r a t i o n f o r U s e I n s t r u c t i o n s ( P a r a g r a p h
2 - 5 ) h a v e b e e n p e r f o r m e d .
R e p e a t S t e p 1 f o r e v e r y M 4 3 A 1 D e t e c t o r t o b e u s e d i n t r a i n i n g e x e r -
c i s e .
N o d e t e c t o r s s h o u l d b e l o c a t e d m o r e t h a n 1 0 0 0 m e t e r s f r o m t r a n s m i t -
t e r . N o d e t e c t o r s h o u l d b e l o c a t e d l e s s t h a n 2 5 m e t e r s f r o m a n yo t h e r d e t e c t o r . C a r e f u l l y n o t e l o c a t i o n o f e a c h d e t e c t o r , a n d
r e c o r d e a c h d e t e c t o r l o c a t i o n u s i n g U N I T d i g i t r e c o r d e d o n r e c e i v e r
G R O U P / U N I T i d e n t i f i c a t i o n p l a t e . R e s e t e v e r y d e t e c t o r t o b e u s e d i n
t r a i n i n g e x e r c i s e .
4 . T o i m i t a t e m o v e m e n t o f c h e m i c a l a g e n t c l o u d , a c t i v a t e r e c e i v e r s i n
o r d e r o f l o c a t i o n ( l e f t - t o - r i g h t , c l o s e s t - t o – f a r t h e s t , e t c . ) .
a . T u r n t h e t r a n s m i t t e r C H A N S E L s w i t c h t o s e l e c t t h e c h a n n e l
m a t c h i n g t h e u n i t n u m b e r o f t h e r e c e i v e r w h i c h i s t o r e s p o n d .
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T M 3 - 6 6 6 5 - 3 1 6 - 1 2
2 - 6 . O P E R A T I N G P R O C E D U R E S ( c o n t i n u e d )
b . B e s u r e t h e t r a n s m i t t e r a n t e n n a i s p o i n t i n g s t r a i g h t u p , t h e O P E R A T I N GP R O C E D U R E S p l a t e i s t o w a r d y o u a n d y o u a r e f a c i n g t h e r e c e i v e r s . S w i t c h
t o “ O P R ” a n d h o l d t h e r e f o r 5 s e c o n d s . R e l e a s e t h e s w i t c h .
c . R e p e a t S t e p s a a n d b f o r e a c h o f t h e r e c e i v e r / d e t e c t o r s .
NOTE
I f o n e o r m o r e d e t e c t o r s f a i l t o a l a r m , r e -
t r a n s m i t f r o m t h e s a m e l o c a t i o n .
d . I f n o n e o f t h e d e t e c t o r s a l a r m , i n i t i a t e t r o u b l e s h o o t i n g p r o c e d u r e “ N o
r e c e i v e r s r e s p o n d t o t r a n s m i t t e r ” , ( P a r a g r a p h 4 - 9 e ) .
e . I f a n y o f t h e d e t e c t o r s d o n o t a l a r m , i n i t i a t e t r o u b l e s h o o t i n g p r o c e d u r e“ O n e t o t h r e e r e c e i v e r s d o n o t r e s p o n d t o t r a n s m i t t e r ” , ( P a r a g r a p h 4 - 9 f ) .
f . I f o n e o r m o r e d e t e c t o r s a l a r m w i t h o u t a s i g n a l f r o m t h e t r a n s m i t t e r ,i n i t i a t e t r o u b l e s h o o t i n g p r o c e d u r e " O n e o r m o r e d e t e c t o r s c o n t i n u e t o
a l a r m a f t e r p o w e r h a s b e e n a p p l i e d a n d d e t e c t o r h a s b e e n r e s e t ” ,( P a r a g r a p h 4 - 9 b ) .
5 . P e r f o r m P r e p a r a t i o n f o r M o v e m e n t p r o c e d u r e s ( P a r a g r a p h 2 - 7 ) .
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T M 3 - 6 6 6 5 - 3 1 6 - 1 2
2 - 7 . PREPARATION FOR MOVEMENT
Y o u s h o u l d p e r f o r m t h e f o l l o w i n g p r o c e d u r e s i n t h e o r d e r l i s t e d . P r o c e d u r e s r e -
q u i r e d t o p r e p a r e S i m u l a t o r f o r m o v e m e n t c o n s i s t o f :
o
oo
a .
R e m o v a l o f T r a n s m i t t e r A n t e n n a .R e m o v a l o f R e c e i v e r A n t e n n a .
R e m o v a l o f R e c e i v e r f r o m M 4 3 A 1 D e t e c t o r .
R e m o v a l o f T r a n s m i t t e r A n t e n n a
T o r e m o v e t r a n s m i t t e r a n t e n n a , p e r f o r m t h e f o l l o w i n g :
1 . P l a c e C H A N S E L s w i t c h i n T E S T p o s i t i o n .
2 . P u s h d o w n o n a n t e n n a j a c k a n d , a t t h e s a m e t i m e , t u r n j a c k 1 / 4 t u r n c o u n -
t e r c l o c k w i s e .
3 . P u l l a n t e n n a o f f c o a x i a l c o n n e c t o r .
4 . S t o w a n t e n n a a n d t r a n s m i t t e r i n a n t e n n a c o m p a r t m e n t ( 1 ) a n d t r a n s m i t t e rc o m p a r t m e n t ( 2 ) , r e s p e c t i v e l y , i n t r a n s i t c a s e .
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T M 3 - 6 6 6 5 - 3 1 6 - 1 2
2 - 7 . PREPARATION FOR MOVEMENT (cont inued)
b . R e m o v a l o f R e c e i v e r A n t e n n a
T o r e m o v e r e c e i v e r a n t e n n a , p e r f o r m t h e f o l l o w i n g :
1 . P u s h d o w n o n a n t e n n a j a c k a n d , a t t h e s a m e t i m e , t u r n j a c k 1 / 4
t u r n c o u n t e r c l o c k w i s e .
2 . P u l l a n t e n n a o f f c o a x i a l c o n n e c t o r .
3 . S t o w a n t e n n a i n a n t e n n a c o m p a r t m e n t ( 1 ) i n t r a n s i t c a s e .
c . R e m o v a l o f R e c e i v e r f r o m M 4 3 A 1 D e t e c t o r
T o r e m o v e r e c e i v e r f r o m M 4 3 A 1 D e t e c t o r , p e r f o r m t h e f o l l o w i n g :
1 . P o s i t i o n d e t e c t o r a n d r e c e i v e r s o t h a t l a b e l s 2 4 V D C I N P U T a n d
A I R F I L T E R a r e t o w a r d y o u .
2 - 2 0
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T M 3 - 6 6 6 5 - 3 1 6 - 1 2
2 .
3 .
I f d e t e c t o r a n d r e c e i v e r a r e p o w e r e d b y B A 3 5 1 7 / U B a t t e r y , p e r f o r m
S t e p s 3 a n d 4 . I f d e t e c t o r a n d r e c e i v e r a r e p o w e r e d b y s o u r c e o t h e r
t h a n B A 3 5 1 7 / U B a t t e r y , g o t o S t e p 5 .
T u r n e x t e n d e r c a b l e c o n n e c t o r 1 / 4 t u r n c o u n t e r c l o c k w i s e a n d p u l l
c o n n e c t o r ( 1 ) f r o m 2 4 V D C I N P U T c o n n e c t o r ( 2 ) . R e m o v e e x t e n d e rc a b l e c o n n e c t o r f r o m B A 3 5 1 7 / U B a t t e r y P o w e r C a b l e c o n n e c t o r ( 3 ) .S t o w e x t e n d e r c a b l e i n c a b l e c o m p a r t m e n t ( 4 ) i n t r a n s i t c a s e .
2 - 2 1
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TM 3-6665-316-12
2-7. PREPARATION
4.
5.
6.
7.
8.
9.
10.
11.
FOR MOVEMENT (continued)
Go to Step 6.
If detector and receiver are powered by source other than BA3517/UBattery, turn power source connector lockring 1/4 turn counterclock-wise, and then pull connectors apart until they are disengaged.
Screw protective cover (5) onto M43A1 Detector 24 VDC INPUT connector(2).
Release the four latches (6) holding case-bottom assembly (7) toreceiver (8). Disengage latches from catches on receiver ring.
Pull up on detector carrying handle until extender clears rim ofcase-bottom assembly.
Position case-top assembly so thatFILTER are away from you.
labels 24 VDC INPUT and AIR
Locate Connector P1 (9) on the decoder printed wiring assembly.
Push two release levers (10) apart until M43A1 Interface Cable con-nector is ejected from Connector P1.
2-22
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T M 3 - 6 6 6 5 - 3 1 6 - 1 2
1 2 .
1 3 .
1 4 .
1 5 .
1 6 .
R e l e a s e f o u r l a t c h e s h o l d i n g r e c e i v e r t o c a s e - t o p a s s e m b l y .
D i s e n g a g e f o u r l a t c h e s f r o m f o u r c a t c h e s o n c a s e - t o p a s s e m b l y .
B e
o n
P u l l
NOTE
s u r e M 4 3 A l I n t e r f a c e C a b l e d o e s n o t c a t c h
a n y p a r t o f r e c e i v e r .
u p o n d e t e c t o r c a r r y i n g h a n d l e u n t i l d e t e c t o r i n t e r n a l c o m -p o n e n t s c l e a r r i m o f r e c e i v e r r i n g .
P o s i t i o n c a s e - t o p a s s e m b l y s o w o r d C A U T I O N a n d b l a c k r a d i a t i o n –
h a z a r d s y m b o l a r e u p , i n t e r n a l c o m p o n e n t s p o i n t u p a t a n g l e t o y o u r
r i g h t , a n d c a s e - t o p a s s e m b l y r e s t s o n c a r r y i n g h a n d l e a n d t o p e d g e
o f o n e f a c e o f c a s e - t o p a s s e m b l y ( a s s h o w n ) .
L o c a t e M 4 3 A 1 I n t e r f a c e C a b l e ( 1 1 ) a t t a c h e d t o c a s e - t o p a s s e m b l y a t
T e s t C o n n e c t o r J 1 O ( 1 2 ) .
G r a s p M 4 3 A I I n t e r f a c e C a b l e a n d p u l l o u t u n t i l p i n s o n M 4 3 A 1I n t e r f a c e C a b l e c o n n e c t o r c l e a r h o l e s o n T e s t C o n n e c t o r J 1 O .
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T M 3 - 6 6 6 5 - 3 1 6 - 1 2
2 - 7 . P R E P A R A T I O N F O R M O V E M E N T ( c o n t i n u e d )
CAUTION
M 4 3 A 1 I n t e r f a c e C a b l e m u s t b e s t o w e d w i t h p i n s
u p .
1 7 . S t o w M 4 3 A 1 I n t e r f a c e C a b l e ( 1 3 ) a n d r e c e i v e r ( 1 4 ) i n c o m p a r t m e n t s i n
t r a n s i t c a s e .
1 8 . R e p e a t s t e p s i n P a r a g r a p h 2 - 7 b a n d S t e p s 1 t h r u 1 7 i n P a r a g r a p h 2 - 7 c
f o r e a c h r e c e i v e r .
1 9 . L o w e r t r a n s i t c a s e t o p a n d s e c u r e f i v e l a t c h e s ( 1 5 ) .
2 0 . P o s i t i o n c a s e - b o t t o m a s s e m b l y s o t h a t U S U A L R E S E R V I C I N G I N S T R U C T I O N S
p l a t e i s t o w a r d y o u . P o s i t i o n c a s e - t o p a s s e m b l y a b o v e c a s e - b o t t o m
a s s e m b l y s o t h a t t h e w o r d s 2 4 V D C I N P U T a n d A I R F I L T E R a r e t o w a r d
y o u .
2 1 . L o w e r c a s e - t o p a s s e m b l y u n t i l i t s b o t t o m s u r f a c e c o n t a c t s t o p s u r f a c e
o f c a s e - b o t t o m a s s e m b l y .
2 2 . E n g a g e f o u r l a t c h e s o n c a s e - b o t t o m a s s e m b l y w i t h c a t c h e s o n c a s e - t o p
a s s e m b l y . P u s h d o w n o n l a t c h - l o c k i n g t a b s t o l o c k l a t c h e s .
2 - 8 . OPERATING INSTRUCTIONS ON DECALS AND INSTRUCTIONS PLATES
S e e C h a p t e r 1 , S e c t i o n I I , P a r a g r a p h l - 8 b , I t e m 5 , o f t h i s m a n u a l .
S e c t i o n I V . OPERATION UNDER UNUSUAL CONDITIONS
T h e S i m u l a t o r w i l l a l w a y s b e u s e d w i t h t h e M 4 3 A 1 D e t e c t o r . N o s p e c i a l p r o c e d u r e s
a r e r e q u i r e d t o o p e r a t e t h e S i m u l a t o r u n d e r u n u s u a l w e a t h e r o r e n v i r o n m e n t a l c o n d i -
t i o n s . H o w e v e r ,
( 1 O O ° F ) i s l o w e rA l s o , t h e l o w e s t
l o w e s t o p e r a t i n g
i t s h o u l d b e n o t e d t h a t t h e S i m u l a t o r h i g h e s t o p e r a t i n g t e m p e r a t u r e
t h a n t h e h i g h e s t o p e r a t i n g t e m p e r a t u r e f o r M 4 3 A l D e t e c t o r ( 1 2 0 ° F ) .
o p e r a t i n g t e m p e r a t u r e f o r t h e S i m u l a t o r ( 2 0 ° F ) i s h i g h e r t h a n t h e
t e m p e r a t u r e f o r M 4 3 A 1 D e t e c t o r ( - 4 0 ° F ) .
2 - 2 4
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T M 3 - 6 6 6 5 - 3 1 6 - 1 2
CHAPTER 3
ASSOCIATED EQUIPMENT MAINTENANCE INSTRUCTIONS
F o r i n f o r m a t i o n o n t h e M 4 3 A 1 D e t e c t o r , s e e C h a p t e r 3 a n d 4 , T M 3 - 6 6 6 5 - 3 1 2 - 1 2 & P ,
M 8 A 1 A u t o m a t i c C h e m i c a l A g e n t A l a r m .
3 - 1 / 3 - 2 ( b l a n k )
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T M 3 - 6 6 6 5 - 3 1 6 - 1 2
CHAPTER 4
UNIT MAINTENANCE INSTRUCTIONS
S e c t i o n I . REPAIR PARTS, SPECIAL TOOLS, AND EQUIPMENT
4 - 1 . COMMON TOOLS AND EQUIPMENT
F o r a u t h o r i z e d c o m m o n t o o l s a n d e q u i p m e n t r e f e r t o M o d i f i e d T a b l e o f O r g a n i z a t i o n
a n d E q u i p m e n t ( M T O E ) a p p l i c a b l e t o y o u r u n i t .
4 - 2 . SPECIAL TOOLS; TEST, MEASUREMENT, AND DIAGNOSTIC EQUIPMENT (TMDE); ANDSUPPORT EQUIPMENT
S e e S e c t i o n I I I o f t h e M a i n t e n a n c e A l l o c a t i o n C h a r t i n A p p e n d i x B f o r y o u r T M D E .
4 - 3 . REPAIR PARTS
T h e r e a r e n o r e p a i r p a r t s .
S e c t i o n I I . SERVICE UPON RECEIPT
M 8 1 S i m u l a t o r s a r e h a n d - r e c e i p t e d f r o m T r a i n i n g A u d i o - V i s u a l S u p p o r t C e n t e r ( T A S C ) .
T A S C i s r e s p o n s i b l e f o r s e r v i c e u p o n r e c e i p t p r o c e d u r e s .
S e c t i o n I I I . TROUBLESHOOTING PROCEDURES
4 - 4 . INTRODUCTION
T h i s s e c t i o n c o n s i s t s o f t r o u b l e s h o o t i n g f l o w c h a r t s . T h e s e c h a r t s c a n l e a d y o u
i n l o g i c a l s t e p s f r o m s y m p t o m s o b s e r v e d d u r i n g o p e r a t i o n o r m a i n t e n a n c e t o t h e
c a u s e s o f a n d r e m e d i e s f o r a m a l f u n c t i o n . T h e m o s t c o m m o n m a l f u n c t i o n s a r e i n -
c l u d e d i n t h i s s e c t i o n .
NOTE
T r o u b l e s h o o t i n g P r o c e d u r e s a r e d o n e w i t h
r e c e i v e r s i n s t a l l e d i n M 4 3 A 1 D e t e c t o r s .
4 - 1
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T M 3 - 6 6 6 5 - 3 1 6 - 1 2
4 - 5 . SYMPTOM INDEX
S y m p t o m
T r o u b l e s h o o t i n gP r o c e d u r e
( P a r a g r a p h )
M 4 3 A 1 D e t e c t o r
M 4 3 A 1 D e t e c t o r d o e s n o t r u n w i t h M 8 1 r e c e i v e r i n s t a l l e d w h e n p o w e r e d
b y B A 3 5 1 7 / U b a t t e r y .
T r a n s m i t t e r
a . T r a n s m i t t e r T E S T G O O D i n d i c a t o r d o e s n o t l i g h t w h e n O P R S w i t c h
i s i n O P R p o s i t i o n a n d r e c e i v e r s d o n o t r e s p o n d .
b . A l l r e c e i v e r s r e s p o n d o n e a t a t i m e b u t t r a n s m i t t e r T E S T G O O Di n d i c a t o r d o e s n o t l i g h t w h e n O P R S w i t c h i s p u s h e d t o O P R .
c . T r a n s m i t t e r T E S T G O O D i n d i c a t o r l i g h t s w h e n O P R S w i t c h i s i n
O F F p o s i t i o n .
R e c e i v e r
a . R e c e i v e r s a c t i v a t e o n e a t a t i m e w h e n C H A N S E L S w i t c h i s t u r n e d
e v e n t h o u g h
b . O n e o r m o r ea p p l i e d a n d
c . T w o o r m o r e
t r a n s m i t t e r O P R S w i t c h i s n o t p u s h e d t o O P R p o s i t i o n .
d e t e c t o r s c o n t i n u e t o a l a r m a f t e r p o w e r h a s b e e nd e t e c t o r h a s b e e n r e s e t .
r e c e i v e r s r e s p o n d a t o n e t i m e w h e n O P R S w i t c h i s
p u s h e d t o O P R .
d . R e c e i v e r r e s p o n d s w h e n B a t t e r y T e s t i s p e r f o r m e d .
e . N o r e c e i v e r s r e s p o n d t o t r a n s m i t t e r .
f . O n e t o t h r e e r e c e i v e r s d o n o t r e s p o n d t o t r a n s m i t t e r .
4 - 6 . TROUBLESHOOTING FLOW CHART SYMBOLS
T h r e e s y m b o l s a r e u s e d i n t h e t r o u b l e s h o o t i n g f l o w c h a r t s .
a .
b .
c .
Oval--Identifies a starting or stopping
p o i n t i n a t r o u b l e s h o o t i n g c h a r t .
D i a m o n d - - I d e n t i f i e s a d e c i s i o n w h i c h y o uw i l l m a k e b a s e d o n t e s t r e s u l t s .
R e c t a n g l e - - I d e n t i f i e s a n a c t i o n y o u w i l l
t a k e b a s e d o n t h e d e c i s i o n .
4 - 7
4 - 8 a
4 - 8 b
4 - 8 c
4 - 9 a
4 - 9 b
4 - 9 C
4 - 9 d
4 - 9 e
4 - 9 f
T h e s e s y m b o l s a r e :
4 - 2
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4 - 7 . M43A1 DETECTOR
S y m p t o m : M 4 3 A 1 D e t e c t o r
T M 3 - 6 6 6 5 - 3 1 6 - 1 2
d o e s n o t r u n w i t h M 8 1 r e c e i v e r i n s t a l l e d w h e n p o w e r e d b yB A 3 5 1 7 / U b a t t e r y .
4 - 3
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T M 3 - 6 6 6 5 - 3 1 6 - 1 2
4 - 8 . TRANSMITTER
a . S y m p t o m : T r a n s m i t t e r T E S T
O P R p o s i t i o n a n dG O O D i n d i c a t o r d o e s n o t l i g h t w h e n O P R S w i t c h i s i n
r e c e i v e r s d o n o t r e s p o n d .
4 - 4
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T M 3 - 6 6 6 5 - 3 1 6 - 1 2
b . S y m p t o m : A l l r e c e i v e r s r e s p o n d o n e a t a t i m e b u t t r a n s m i t t e r T E S T G O O D i n -
d i c a t o r d o e s n o t l i g h t w h e n O P R S w i t c h i s p u s h e d t o O P R .
4 - 5
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TM 3-6665-316-12
4-8. TRANSMITTER (continued)
c. Symptom: Transmitter TEST GOOD indicator lights when OPR Switch is in OFF
position.
a. Symptom: Receivers activate one at a time when CHAN SEL Switch is turned, even
though transmitter OPR Switch is not pushed to OPR position.
Refer to Troubleshooting Procedure Paragraph 4-8c.
4-6
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TM 3-6665-316-12
b. Symptom: One or more detectors
and detector has been
continue to alarm after power has been applied
reset.
4-7
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TM 3-6665-316-12
4-9. RECEIVER (continued)
c. Symptom: Two or more receivers respond at one time when OPR Switch is pushed
to OPR.
4 - 8
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4-9
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TM 3-6665-316-12
4-9. RECEIVER (continued)
d. Symptom: Receiver responds when Battery Test is performed.
4 - 1 0
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T M 3 - 6 6 6 5 - 3 1 6 - 1 2
e . S y m p t o m : N o r e c e i v e r s r e s p o n d t o t r a n s m i t t e r .
4 - 1 1
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TM 3-6665-316-12
4-9. RECEIVER (continued)
e. Symptom: No receivers respond to transmitter (continued).
4-12
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T M 3 - 6 6 6 5 - 3 1 6 - 1 2
4 - 1 3
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TM 3-6665-316-12
4-9 l RECEIVER (continued)
f. Symptom: One to three receivers do not respond to transmitter.
4 - 1 4
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4-15
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T M 3 - 6 6 6 5 - 3 1 6 - 1 2
S e c t i o n I V . MAINTENANCE PROCEDURES
S i m u l a t o r m a i n t e n a n c e p r o c e d u r e s c o n s i s t o f r e p l a c e m e n t p r o c e d u r e s a n d t e s t p r o c e -d u r e s .
R e p l a c e m e n t p r o c e d u r e s i n c l u d e :
o R e p l a c e m e n t o f T r a n s m i t t e r T o n e M o d u l e
o R e p l a c e m e n t o f T r a n s m i t t e r B a t t e r i e so R e p l a c e m e n t o f R e c e i v e r T o n e M o d u l e
o R e p l a c e m e n t o f T r a n s m i t t e r A n t e n n a
o R e p l a c e m e n t o f R e c e i v e ro R e p l a c e m e n t o f R e c e i v e r
T e s t P r o c e d u r e s i n c l u d e :
o B a t t e r y T e s t P r o c e d u r eo R e c e i v e r T e s t P r o c e d u r e
4 - 1 0 . REPLACEMENT OF TRANSMITTER
T h i s t a s k c o v e r s :
a . R e m o v a l
b . I n s t a l l a t i o n
A n t e n n ai n M 4 3 A 1 D e t e c t o r
TONE MODULE
I N I T I A L S E T U P
T o o l s : S c r e w d r i v e r ( f r o m t o n e m o d u l e c a s e ) .
M a t e r i a l s / P a r t s : G r e a s e P e n c i l ( I t e m 2 , A p p e n d i x E , o r e q u i v a l e n t ) .
a . R e m o v a l
1 . P o s i t i o n t r a n s m i t t e r s o t h a t s l o t - h e a d s c r e w ( 1 ) h o l d i n g c o v e r ( 2 ) t oc h a s s i s ( 3 ) i s u p .
2 . L o o s e n s c r e w h o l d i n g c o v e r t o c h a s s i s .
3 . R e m o v e c o v e r f r o m c h a s s i s .
4 - 1 6
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TM 3-6665-316-12
4. Locate tone module (4).
5. C a r e f u l l y p u l l t o n e m o d u l e u p u n t i l p i n s c l e a r h o l e s i n s o c k e t X Z 1 .
S e t t o n e m o d u l e a s i d e .
b . Installation
CAUTION
Any attempt to mount a transmitter tone module
in a receiver or vice-versa could damage the
equipment.
1. Last digit of SERIAL number printed on replacement tone module should be 5.
Last digit 1, 2, 3, or 4 would identify receiver tone module. Record
SERIAL number of transmitter tone module on piece of paper.
N O T E
Be sure first three digits of transmitter tone
module SERIAL number match first three digits
of SERIAL number on receiver tone modules.
4-17
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T M 3 - 6 6 6 5 - 3 1 6 - 1 2
4 - 1 0 . REPLACEMENT OF TRANSMITTER TONE MODULE (cont inued)
2 . C a r e f u l l y a l i n e p i n s o n t o n e m o d u l e w i t h h o l e s i n s o c k e t X Z 1 . O n ep i n h a s b e e n r e m o v e d f r o m t o n e m o d u l e , a n d c o r r e s p o n d i n g h o l e i n
s o c k e t X Z 1 h a s b e e n f i l l e d . T h i s a l l o w s t o n e m o d u l e t o b e i n s t a l l e d
o n l y o n e w a y .
3 . P u s h t o n e m o d u l e d o w n i n t o s o c k e t X Z 1 u n t i l p i n s a r e f u l l y s e a t e d .
4 . M o u n t c o v e r ( 1 ) o n c h a s s i s ( 2 ) .
5 . T u r n s c r e w ( 3 ) d o w n u n t i l s n u g . D o n o t o v e r - t i g h t e n s c r e w .
6 . T u r n t r a n s m i t t e r o v e r s o G R O U P / U N I T i d e n t i f i c a t i o n p l a t e ( 4 ) i s u p .
7 . I f f i r s t t h r e e d i g i t s o f r e p l a c e m e n t t o n e m o d u l e S E R I A L n u m b e r ( 5 )
d o n o t m a t c h G R O U P d i g i t s ( 6 ) r e c o r d e d o n t r a n s m i t t e r G R O U P / U N I T
i d e n t i f i c a t i o n p l a t e ( 4 ) , r e c o r d f i r s t t h r e e d i g i t s o f r e p l a c e m e n t
t o n e m o d u l e S E R I A L n u m b e r n e x t t o w o r d G R O U P . R e c o r d l a s t d i g i t n e x t
t o U N I T ( 7 ) . M a k e s u r e d i g i t r e c o r d e d n e x t t o U N I T i s a 5 .
NOTE
G r e a s e p e n c i l m a r k i n g s c a nm a k e c o r r e c t i o n s t o d i g i t s
m i t t e r .
b e r u b b e d o f f t or e c o r d e d o n t r a n s -
4 - 1 8
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4-11
T M 3 - 6 6 6 5 - 3 1 6 - 1 2
4 - 1 9
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TM 3-6665-316-12
4-11. REPLACEMENT OF TRANSMITTER BATTERIES (continued)
a. Removal
1. Position transmitter so that slot-head screw (1) holding cover (2) to
chassis (3) is up.
2. Loosen screw.
3.
4.
Remove cover from chassis.
Locate battery holder (4). Lift battery holder out of chassis until
electrical connector (5) clears rim of chassis. Disconnect electri-
cal connector (5) from battery holder (4).
6. Discard batteries according to Standard Operating Procedures.
4 - 2 0
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T M 3 - 6 6 6 5 - 3 1 6 - 1 2
b . I n s t a l l a t i o n
1 . I n s t a l l b a t t e r i e s i n b a t t e r y h o l d e r a c c o r d i n g t o o u t l i n e s ( 1 ) a t
r e a r o f b a t t e r y s l o t s . R e c o n n e c t e l e c t r i c a l c o n n e c t o r t o b a t t e r yh o l d e r .
2 . R e t u r n b a t t e r y h o l d e r t o c h a s s i s .
3 . M o u n t c o v e r ( 2 ) o n c h a s s i s ( 3 ) .
4 . T u r n s l o t - h e a d s c r e w ( 4 ) d o w n u n t i l s n u g .
s c r e w .
D o n o t o v e r - t i g h t e n
4 - 2 1
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T M 3 - 6 6 6 5 - 3 1 6 - 1 2
4 - 1 2 . REPLACEMENT
T h i s t a s k c o v e r s :
OF RECEIVER TONE MODULE
a . R e m o v a l .
b . I n s t a l l a t i o n .
I N I T I A L S E T U P
M a t e r i a l s / P a r t s : G r e a s e P e n c i l ( I t e m 2 , A p p e n d i x E , o r e q u i v a l e n t ) .
a . R e m o v a l
1 . P o s i t i o n r e c e i v e r s o r e c e i v e r r i n g i s u p , e x t e n d e r i s d o w n a n d
c o a x i a l c o n n e c t o r ( 1 ) i s t o y o u r r i g h t .
2 . L o o k i n g d o w n i n t o r e c e i v e r r i n g , l o c a t e t o n e m o d u l e ( 2 ) o n d e c o d e r
p r i n t e d w i r i n g a s s e m b l y ( 3 ) .
3 . C a r e f u l l y t w i s t e n d o f t i e d o w n s t r a p ( 4 ) 9 0 ° s o s t r a p c a n b e o p e n e d .
O p e n s t r a p , a n d p u l l u p o n t o n e m o d u l e u n t i l p i n s c l e a r h o l e s i n
s o c k e t X Z 1 .
b . I n s t a l l a t i o n
CAUTION
A n y a t t e m p t t o m o u n t a t r a n s m i t t e r t o n e m o d u l e
i n a r e c e i v e r o r v i c e - v e r s a c o u l d d a m a g e t h e
e q u i p m e n t .
4 - 2 2
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d T M 3 - 6 6 6 5 - 3 1 6 - 1 2
1 . C a r e f u l l y n o t e s e r i a l n u m b e r p r i n t e d o n t o n e m o d u l e t o b e i n s t a l l e d .T h e l a s t d i g i t o f s e r i a l n u m b e r s h o u l d b e 1 , 2 , 3 , o r 4 . A l a s t
d i g i t 5 w o u l d i d e n t i f y t r a n s m i t t e r t o n e m o d u l e . B e s u r e t h a t
r e c e i v e r s i n M 8 1 S i m u l a t o r h a v e d i f f e r e n t U N I T d i g i t s ( l ) .
2 . A l i n e t o n e - m o d u l e p i n s w i t h h o l e s i n s o c k e t X Z 1 . O n e p i n h a s b e e n
r e m o v e d f r o m t o n e m o d u l e , a n d c o r r e s p o n d i n g h o l e i n s o c k e t X Z 1 h a s
b e e n f i l l e d . T h i s a l l o w s t o n e m o d u l e t o b e i n s t a l l e d o n l y o n e w a y .
3 . P u s h t o n e m o d u l e d o w n i n t o s o c k e t X Z 1 u n t i l p i n s a r e f u l l y s e a t e d .
4 . R e c o n n e c t t i e d o v n s t r a p a n d c a r e f u l l y p u l l s n u g . B e s u r e t h a t s t r a p
i s l o c k e d .
5 . L o c a t e G R O U P / U N I T i d e n t i f i c a t i o n p l a t e ( 2 ) m o u n t e d o n o n e f a c e o f
r e c e i v e r r i n g .
6 . I f f i r s t t h r e e d i g i t s o f r e p l a c e m e n t t o n e m o d u l e S E R I A L n u m b e r ( 3 )
d o n o t m a t c h G R O U P d i g i t s ( 4 ) o n G R O U P / U N I T i d e n t i f i c a t i o n p l a t e ,
r e c o r d f i r s t t h r e e d i g i t s n e x t t o w o r d G R O U P ( 5 ) . R e c o r d l a s t d i g i t
o f S E R I A L n u m b e r n e x t t o w o r d U N I T ( 6 ) .
NOTE
G r e a s e p e n c i l m a r k i n g s c a n b e r u b b e d o f f t om a k e c o r r e c t i o n s t o d i g i t s r e c o r d e d o n
r e c e i v e r .
4 - 2 3
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T M 3 - 6 6 6 5 - 3 1 6 - 1 2
4 - 1 3 . REPLACEMENT
T h i s t a s k c o v e r s :
OF TRANSMITTER ANTENNA
a . R e m o v a l .
b . I n s t a l l a t i o n .
I N I T I A L S E T U P
N o s p e c i a l e q u i p m e n t / m a t e r i a l s r e q u i r e d .
a . R e m o v a l
1 . P u s h d o w n a n t e n n a j a c k ( 1 ) a n d , a t t h e s a m e t i m e , t u r n j a c k 1 / 4 t u r n
c o u n t e r c l o c k w i s e .
2 . P u l l a n t e n n a o f f c o a x i a l c o n n e c t o r ( 2 ) .
b . I n s t a l l a t i o n
1 . L o c a t e c o a x i a l c o n n e c t o r ( 2 ) .
2 . A l i n e s l o t s ( 3 ) o n a n t e n n a j a c k w i t h s t u d s ( 4 ) o n c o a x i a l c o n n e c t o r .
3 . P u s h a n t e n n a j a c k d o w n o n t o c o a x i a l c o n n e c t o r a n d , a t s a m e t i m e ,
t u r n a n t e n n a j a c k c l o c k w i s e 1 / 4 t u r n t o l o c k .
4 - 2 4
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2. Pull antenna off coaxial connector (2). b. Installation
T M 3 - 6 6 6 5 - 3 1 6 - 1 2
4 - 1 4 . REPLACEMENT OF RECEIVER ANTENNA
T h i s t a s k c o v e r s :
a . R e m o v a l .
b . I n s t a l l a t i o n .
I N I T I A L S E T U P
N o s p e c i a l e q u i p m e n t / m a t e r i a l s r e q u i r e d .
a . R e m o v a l
1 . P u s h d o w n o n a n t e n n a j a c k ( 1 ) a n d , a t s a m e
c o u n t e r c l o c k w i s e .t i m e , t u r n j a c k 1 / 4 t u r n
1 . L o c a t e c o a x i a l c o n n e c t o r ( 2 ) o n o n e f a c e o f r e c e i v e r r i n g .
2 . A l i n e s l o t s ( 3 ) o n a n t e n n a j a c k w i t h s t u d s ( 4 ) o n c o a x i a l c o n n e c t o r .
3 . P u s h a n t e n n a j a c k d o w n o n t o c o a x i a l c o n n e c t o r a n d , a t s a m e t i m e ,
t u r n a n t e n n a j a c k c l o c k w i s e 1 / 4 t u r n t o l o c k .
4 - 2 5
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T M 3 - 6 6 6 5 - 3 1 6 - 1 2
4 - 1 5 . REPLACEMENT OF RECEIVER IN M43A1 DETECTOR
T h i s t a s k c o v e r s :
a . R e m o v a l .
b . I n s t a l l a t i o n .
I N I T I A L S E T U P
4 - 2 6
N o s p e c i a l e q u i p m e n t / m a t e r i a l r e q u i r e d .
a . R e m o v a l .
1 . P o s i t i o n d e t e c t o r a n d r e c e i v e r s o t h a t l a b e l s M 4 3 A 1 D e t e c t o r 2 4 V D C
I N P U T a n d A I R F I L T E R a r e t o w a r d y o u .
2 . T u r n e x t e n d e r c a b l e c o n n e c t o r 1 / 4 t u r n c o u n t e r c l o c k w i s e a n d p u l l
c o n n e c t o r ( 1 ) f r o m 2 4 V D C I N P U T c o n n e c t o r ( 2 ) . R e m o v e e x t e n d e r c a b l e
c o n n e c t o r f r o m B A 3 5 1 7 / U B a t t e r y P o w e r C a b l e c o n n e c t o r ( 3 ) .
3 . S c r e w p r o t e c t i v e c o v e r ( 4 ) o n t o M 4 3 A 1 D e t e c t o r 2 4 V D C I N P U T c o n n e c t o r
( 2 ) .
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4. Release the four latches (5) holding case-bottomreceiver (7). Disengage latches from catches on
TM 3-6665-316-12
assembly (6) toreceiver ring.
5. Pull up on detector carrying handle until extender clears rim ofcase-bottom assembly.
6. Position case-top assembly so that the word CAUTION and blackradiation-hazard symbol are toward you.
7. Locate Connector P1 (8) on the decoder printed wiring assembly.
8. Push two release levers (9) apart until M43A1 Interface Cable con-nector is ejected from Connector P1.
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T M 3 - 6 6 6 5 - 3 1 6 - 1 2
4 - 1 5 . REPLACEMENT O F R E C E I V E R I N M 4 3 A 1 D E T E C T O R ( c o n t i n u e d )
9 .
1 0 .
1 1 .
1 2 .
1 3 .
1 4 .
1 5 .
1 6 .
R e l e a s e f o u r l a t c h e s h o l d i n g r e c e i v e r t o
D i s e n g a g e f o u r l a t c h e s f r o m - f o u r c a t c h e s
NOTE
c a s e - t o p a s s e m b l y .
o n c a s e - t o p a s s e m b l y .
B e s u r e M 4 3 A I I n t e r f a c e C a b l e d o e s n o t c a t c h
o n a n y p a r t o f r e c e i v e r .
P u l l u p o n d e t e c t o r c a r r y i n g h a n d l e u n t i l d e t e c t o r i n t e r n a l c o m -
p o n e n t s c l e a r r i m o f r e c e i v e r r i n g .
P o s i t i o n c a s e - t o p a s s e m b l y s o w o r d C A U T I O N a n d b l a c k r a d i a t i o n -
h a z a r d s y m b o l a r e u p , i n t e r n a l c o m p o n e n t s p o i n t u p a t a n g l e t o y o u rr i g h t , a n d c a s e - t o p a s s e m b l y r e s t s o n c a r r y i n g h a n d l e a n d t o p e d g e o fo n e f a c e o f c a s e - t o p a s s e m b l y ( a s s h o w n ) .
L o c a t e M 4 3 A 1 I n t e r f a c e C a b l e ( 1 0 ) a t t a c h e d t o c a s e - t o p a s s e m b l y a tT e s t C o n n e c t o r J 1 0 ( 1 1 ) .
G r a s p M 4 3 A 1 I n t e r f a c e C a b l e a n d p u l l o u t u n t i l p i n s o n M 4 3 A 1I n t e r f a c e C a b l e c o n n e c t o r c l e a r h o l e s o n T e s t C o n n e c t o r J 1 0 .
P o s i t i o n
p l a t e i s
a s s e m b l y
you .
c a s e – b o t t o m a s s e m b l y s o t h a t U S U A L R E S E R V I C I N G I N S T R U C T I O N
t o w a r d y o u . P o s i t i o n c a s e - t o p a s s e m b l y a b o v e c a s e - b o t t o m
s o t h a t t h e w o r d s 2 4 V D C I N P U T a n d A I R F I L T E R a r e t o w a r d
L o w e r c a s e - t o p a s s e m b l y u n t i l i t s b o t t o m s u r f a c e c o n t a c t s t o p s u r -f a c e o f c a s e - b o t t o m a s s e m b l y .
E n g a g e f o u r l a t c h e s o n c a s e - b o t t o m a s s e m b l y w i t h c a t c h e s o n c a s e - t o p
a s s e m b l y . P u s h d o w n o n l a t c h - l o c k i n g t a b s t o l o c k l a t c h e s .
4 - 2 8
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ASSEMBLY
TM 3-6665-316-12
b. Installation.
1. Position detector so that the words 24 VDC INPUT and AIR FILTER are
toward you.
2. If the BA3517/U Battery Power Cable connector (1) is connected to
the 24 VDC INPUT connector (2), pull out on BA3517/U Battery Cable
connector until it is disengaged from 24 VDC INPUT connector and
replace protective cover (3) on 24 VDC Input Connector.
3. Release the four latches (4) holding detector case-top assembly to
case-bottom assembly. Disengage latches from catches on case-top
4. Pull up on detector carrying handle until detector internal com-
ponents clear rim of case-bottom assembly.
5. Position case-top assembly so word CAUTION and black radiation
hazard symbol on one face of case-top assembly are up, internal
components point up at an angle to your right, and case-top assembly
rests on carrying handle and one top edge.
6. Locate 14-pin Test Connector J1O (5).
7. Line up pins on plug on M43A1 Interface Cable (6) with holes on 14-
pin Test Connector J1O. Be sure keying pins on two connectors line
UP m a l e - t o - f e m a l e .
4-29
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TM 3-6665-316-12
4-15. REPLACEMENT
8.
9.
10.
11.
12.
OF RECEIVER IN M43A1 DETECTOR (continued)
Push pins on M43A1 Interface Cable plug into holes on Test Connector
J10 until pins are fully seated.
Position receiver on flat surface so receiver ring is up, extender is
down, and coaxial connector (7), is to your left.
Looking down into receiver ring, locate Connector P1 (8) on decoder
printed wiring assembly.
Position case-top assembly above receiver ring so word CAUTION and
black radiation hazard symbol are toward you.
CAUTION
The M43A1 Interface Cable must not interfere
with electrical spring contacts or Interface
Cable Retainer on inside of ring or extend
between case-top assembly and receiver ring
top surface or damage may result.
While guiding M43A1 Interface Cable out thru bottom of receiver
ring, lower detector internal components into receiver ring. Be sure
none of M43A1 Interface Cable extends between case-top assembly and
receiver ring top surface. Be sure cable does not interfere with
electrical spring contacts (9) or Interface Cable Retainer (10) on
inside of receiver ring.
4-30
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T M 3 - 6 6 6 5 - 3 1 6 - 1 2
1 3 .
1 4 .
1 5 .
1 6 .
1 7 *
1 8 .
1 9 .
2 0 .
L o w e r c a s e - t o p a s s e m b l y u n t i l b o t t o m s u r f a c e c o n t a c t s t o p s u r f a c e o f
r e c e i v e r r i n g , e n s u r i n g M 4 3 A 1 I n t e r f a c e C a b l e b o a r d i s p r o p e r l y
s e a t e d i n i n t e r f a c e c a b l e r e t a i n e r .
E n g a g e f o u r l a t c h e s o n r e c e i v e r r i n g w i t h f o u r c a t c h e s o n c a s e - t o p
a s s e m b l y . P u s h d o w n o n f o u r l o c k i n g t a b s t o l o c k l a t c h e s .
P u s h t w o c a t c h e s ( 1 1 ) o n
a s s e m b l y a p a r t . L i n e u p
w i t h C o n n e c t o r P 1 .
c o n n e c t o r P 1 ( 8 ) o n d e c o d e r p r i n t e d w i r i n g
M 4 3 A 1 I n t e r f a c e C a b l e C o n n e c t o r J 1 ( 1 2 )
P u s h M 4 3 A 1 I n t e r f a c e C a b l e c o n n e c t o r o n t o C o n n e c t o r P 1 u n t i l c a t c h e s
o n C o n n e c t o r P 1 c l o s e o n b a c k o f M 4 3 A 1 I n t e r f a c e C a b l e c o n n e c t o r .
P u s h t w o c a t c h e s t o g e t h e r u n t i l t h e y s n a p i n t o s t r a i g h t - a h e a d p o s i -
t i o n . C a r e f u l l y t u c k e x c e s s c a b l e i n t o r e c e i v e r r i n g s o t h a t n op a r t o f c a b l e s t i c k s o u t .
P o s i t i o n c a s e - b o t t o m a s s e m b l y s o U S U A L R E S E R V I C I N G I N S T R U C T I O N p l a t e
i s t o w a r d y o u .
P o s i t i o n c a s e - t o p a s s e m b l y a n d r e c e i v e r a s s e m b l y a b o v e c a s e – b o t t o m
a s s e m b l y . T h e w o r d s 2 4 V D C I N P U T a n d A I R F I L T E R s h o u l d b e t o w a r d
y o u .
L o w e r r e c e i v e r u n t i l b o t t o m s u r f a c e o f r e c e i v e r r i n g c o n t a c t s t o p
s u r f a c e o f c a s e - b o t t o m a s s e m b l y .
E n g a g e f o u r l a t c h e s o n c a s e b o t t o m a s s e m b l y w i t h f o u r c a t c h e s o n
r e c e i v e r r i n g . P u s h d o w n o n l a t c h - l o c k i n g t a b s t o l o c k l a t c h e s .
NOTE
D o n o t c o n n e c t e x t e n d e r c a b l e c o n n e c t o r t o
M 4 3 A 1 D e t e c t o r 2 4 V D C I N P U T c o n n e c t o r u n t i l s o
i n s t r u c t e d .
4 - 3 1
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TM 3-6665-316-12
4-15. REPLACEMENT
21.
22.
23.
24.
OF RECEIVER IN M43A1 DETECTOR (continued)
Push extender cable connector (13) and BA3517/U Battery Power Cable
connector (14) together until they are fully seated (as shown).
Locate coaxial connector (7) on one face of receiver ring.
Obtain antenna. Aline slots (15) on antenna jack with studs (16) on
coaxial connector.
Push antenna jack down onto coaxial connector and, at same time, turn
antenna jack clockwise 1/4 turn to lock.
25. Remove protective cover (17) from M43A1 Detector 24 VDC INPUT connec-
tor (18).
26. Notify personnel within audible range that an alarm may sound. Push
extender cable connector onto M43A1 Detector 24 VDC INPUT connector
and then turn connector 1/4 turn clockwise to lock.
4-32
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teries are not good.
T M 3 - 6 6 6 5 - 3 1 6 - 1 2
2 7 . R e s e t t h e d e t e c t o r b y p r e s s i n g t h e B A T T E R Y T E S T A N D R E S E T P R E S S b u t t o n .
T h e B A T T E R Y T E S T A N D R E S E T P R E S S b u t t o n m a y h a v e t o b e h e l d d o w n f o r 6 0
s e c o n d s .
4 - 1 6 . BATTERY TEST
I N I T I A L S E T U P
PROCEDURE
N o s p e c i a l e q u i p m e n t / m a t e r i a l s r e q u i r e d .
NOTE
T h e s e p r o c e d u r e s a r e c o r r e c t w i t h o r w i t h o u t
t h e p r e s e n c e o f t h e t r a n s m i t t e r a n t e n n a .
a . T u r n C H A N S E L s w i t c h ( 1 ) t o T E S T .
CAUTION
E n s u r e
b e f o r e
b . P u s h O P R
C H A N S E L s w i t c h i s i n T E S T p o s i t i o n
p u s h i n g O P R s w i t c h .
s w i t c h ( 2 ) t o O P R p o s i t i o n .
c . O b s e r v e T E S T G O O D i n d i c a t o r ( 3 ) . I f T E S T G O O D i n d i c a t o r c o m e s o n ,
b a t t e r i e s a r e g o o d . I f T E S T G O O D i n d i c a t o r d o e s n o t c o m e o n , b a t -
4 - 3 3
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TM 3-6665-316-12
4-17. RECEIVER TEST PROCEDURE
INITIAL SETUP
No special equipment/materials required.
a.
b.
c.
d.
e.
f.
Before performing the following steps, be sure that the following
procedures have been performed.
1. Installation of receiver ring in M43A1 Detector (Paragraph 4-
15b) .
2. Installation of receiver antenna (Paragraph 4-14b).
Separate each M43A1 Detector, with receiver installed, from the
transmitter by approximately 20 meters (66 feet). The
receiver/detectors should be within line-of-sight of the
transmitter.
Turn the Transmitter CHAN SEL switch to select a channel matching
the UNIT digit of the receiver to respond.
Be sure the antenna is pointing straight up, the operating plate is
toward you, and you are facing the receivers. Switch to OPR and
hold there for 5 seconds. Release the switch.
Reset detector by pressing the BATTERY TEST AND RESET PRESS button.
The BATTERY TEST AND RESET PRESS button may have to be held down for
60 seconds.
Repeat Steps c, d, and e for each of the receiver/detectors.
4-34
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TM 3-6665-316-12
Section V. PREPARATION FOR STORAGE OR SHIPMENT
4-18. ADMINISTRATIVE STORAGE
a. Preparation For Storage.
CAUTION
Remove transmitter batteries before shipment
or inactive service of 30 days or more or
damage to transmitter may result.
NOTE
Batteries should not be stored at temperatures
above +75°F. Ideal storage temperature is
-35°F to +35°F.
1. Remove transmitter batteries according to instructions in
Paragraph 4-11a. Mount cover on chassis and turn screw down
until snug.
2. Clean transmitter and receivers with either a damp or dry rag,
as required. Do not use dry-cleaning solvent or gasoline for
cleaning electronic equipment.
b. Storage.
1. Batteries - Store batteries in a cool, dry, well-ventilated
area. Clean contacts before reinstalling.
2. M81 Simulator - Store M81 Simulator in its transit case. To the
extent practicable, place transit case in covered storage.
c. Removal From Storage.
1. Reinstall transmitter batteries according to instructions in
Paragraph 4-11b.
2. Perform battery test procedure according to instructions in
Paragraph 4-16.
3* Resume normal operation and maintenance of M81 Simulator.
4-35/4-36 (blank)
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T M 3 - 6 6 6 5 - 3 1 6 - 1 2
A P P E N D I X A
REFERENCES
A - 1 .
A-2 .
A - 3 .
A - 4 .
S c o p e .
T h i s a p p e n d i x l i s t s a l l f o r m s , f i e l d m a n u a l s , a n d t e c h n i c a l p u b l i c a t i o n s
r e f e r e n c e d i n t h i s m a n u a l .
F o r m s .
R e c o m m e n d e d C h a n g e s t o P u b l i c a t i o n s a n d B l a n k F o r m s . . . . . . . . . . . . . D A F o r m 2 0 2 8
R e c o m m e n d e d C h a n g e s t o E q u i p m e n t T e c h n i c a l P u b l i c a t i o n s . . . . . . . D A F o r m 2 0 2 8 - 2
E q u i p m e n t I n s p e c t i o n a n d M a i n t e n a n c e W o r k s h e e t . . . . . . . . . . . . . . . . . . D A F o r m 2 4 0 4
Q u a l i t y D e f i c i e n c y R e p o r t . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . S F 3 6 8
F i e l d M a n u a l s .
T a c t i c a l S i n g l e - C h a n n e l R a d i o C o m m u n i c a t i o n s T e c h n i q u e s . . . . . . . . . . . . . F M 2 4 - 1 8
First Aid for Soldiers. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..FM 21-11
T e c h n i c a l M a n u a l s .
T h e A r m y M a i n t e n a n c e M a n a g e m e n t S y s t e m ( T A M M S ) . . . . . . . . . . . . . . . . D A P A M 7 3 8 - 7 5 0
M o d i f i c a t i o n W o r k O r d e r s ( M W O ) E q u i p m e n t I n d e x . . . . . . . . . . . . . . . . . D A P A M 7 5 0 - 1 0
D e s t r u c t i o n o f C h e m i c a l W e a p o n s a n d D e f e n s e
E q u i p m e n t t o P r e v e n t E n e m y U s e . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . T M 4 3 - 0 0 0 2 - 3 1
T e c h n i c a l M a n u a l , O p e r a t o r ’ s a n d O r g a n i z a t i o n a l M a i n t e n a n c e M a n u a l I n c l u d i n g
R e p a i r P a r t s a n d S p e c i a l T o o l s L i s t , M 8 A 1 A u t o m a t i c C h e m i c a l A g e n t
Alarm . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . .. . . . . . . ..TM 3-6665-312-12&P
A - 1 / A - 2 ( b l a n k )
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T M 3 - 6 6 6 5 - 3 1 6 - 1 2
A P P E N D I X B
MAINTENANCE ALLOCATION CHART
S E C T I O N I
INTRODUCTION
B - 1 . THE ARMY MAINTENANCE SYSTEM MAC.
a . T h i s i n t r o d u c t i o n ( S e c t i o n 1 ) p r o v i d e s a g e n e r a l e x p l a n a t i o n o f a l l
m a i n t e n a n c e a n d r e p a i r f u n c t i o n s a u t h o r i z e d a t v a r i o u s m a i n t e n a n c e
l e v e l s u n d e r t h e s t a n d a r d A r m y M a i n t e n a n c e S y s t e m C o n c e p t .
b . T h e M a i n t e n a n c e A l l o c a t i o n C h a r t ( M A C ) i n S e c t i o n I I d e s i g n a t e s o v e r a l l
a u t h o r i t y a n d r e s p o n s i b i l i t y f o r t h e p e r f o r m a n c e o f m a i n t e n a n c e f u n c –
t i o n s o n t h e i d e n t i f i e d e n d i t e m o r c o m p o n e n t . T h e a p p l i c a t i o n o f t h e
m a i n t e n a n c e f u n c t i o n s t o t h e e n d i t e m o r c o m p o n e n t w i l l b e c o n s i s t e n t
w i t h t h e c a p a c i t i e s a n d c a p a b i l i t i e s o f t h e d e s i g n a t e d m a i n t e n a n c el e v e l s , w h i c h a r e s h o w n o n t h e M A C i n C o l u m n 4 a s :
U N I T , W h i c h i n c l u d e s t w o s u b c o l u m n s , C ( o p e r a t o r / c r e w ) a n d O ( u n i tm a i n t e n a n c e )
I N T E R M E D I A T E , W h i c h i n c l u d e s t w o s u b c o l u m n s , F ( I n t e r m e d i a t e D i r e c t
S u p p o r t ) a n d W ( I n t e r m e d i a t e G e n e r a l S u p p o r t )D E P O T , W h i c h i n c l u d e s a D ( D e p o t ) s u b c o l u m n
c . S e c t i o n I I I l i s t s t h e t o o l s a n d t e s t e q u i p m e n t ( b o t h s p e c i a l t o o l s a n d
c o m m o n t o o l s e t s ) r e q u i r e d f o r e a c h m a i n t e n a n c e f u n c t i o n a s r e f e r e n c e d
f r o m S e c t i o n I I .
d . S e c t i o n I V c o n t a i n s s u p p l e m e n t a l i n s t r u c t i o n s a n d e x p l a n a t o r y n o t e s f o r
a p a r t i c u l a r m a i n t e n a n c e f u n c t i o n .
B - 2 . MAINTENANCE FUNCTIONS. M a i n t e n a n c e f u n c t i o n s w i l l b e l i m i t e d t o a n d d e f i n e d
a s f o l l o w s :
a . I n s p e c t . T o d e t e r m i n e t h e s e r v i c e a b i l i t y o f a n i t e m b y c o m p a r i n g i t s
p h y s i c a l , m e c h a n i c a l , a n d / o r e l e c t r i c a l c h a r a c t e r i s t i c s w i t h e s t a b l i s h e d
s t a n d a r d s t h r o u g h e x a m i n a t i o n ( e . g . , b y s i g h t , s o u n d , o r f e e l ) .
b . T e s t . T o v e r i f y s e r v i c e a b i l i t y b y m e a s u r i n g t h e m e c h a n i c a l , p n e u m a t i c ,
h y d r a u l i c , o r e l e c t r i c a l c h a r a c t e r i s t i c s o f a n i t e m a n d c o m p a r i n g t h o s e
c h a r a c t e r i s t i c s w i t h p r e s c r i b e d s t a n d a r d s .
c . S e r v i c e . O p e r a t i o n s r e q u i r e d p e r i o d i c a l l y t o k e e p a n i t e m i n p r o p e r
o p e r a t i n g c o n d i t i o n , i . e . , t o c l e a n ( i n c l u d e s d e c o n t a m i n a t e , w h e n
r e q u i r e d ) , t o p r e s e r v e , t o d r a i n , t o p a i n t , o r t o r e p l e n i s h f u e l ,
l u b r i c a n t s , c h e m i c a l f l u i d s , o r g a s e s .
B - 1
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T M 3 - 6 6 6 5 - 3 1 6 - 1 2
B - 2 . M A I N T E N A N C E F U N C T I O N S ( c o n t i n u e d ) .
B - 3 .
d .
e .
f .
g .
h .
i .
j .
k .
A d j u s t . T o m a i n t a i n o r r e g u l a t e , w i t h i n p r e s c r i b e d l i m i t s , b y b r i n g i n g
i n t o p r o p e r o r e x a c t p o s i t i o n , o r b y s e t t i n g t h e o p e r a t i n g c h a r a c t e r i s -
t i c s t o s p e c i f i e d p a r a m e t e r s .
A l i n e . T o a d j u s t s p e c i f i e d v a r i a b l e e l e m e n t s o f a n i t e m t o b r i n g a b o u t
o p t i m u m o r d e s i r e d p e r f o r m a n c e .
C a l i b r a t e . T o d e t e r m i n e a n d c a u s e c o r r e c t i o n s t o b e m a d e o r t o b e a d -
j u s t e d o n i n s t r u m e n t s o r t e s t , m e a s u r i n g , a n d d i a g n o s t i c e q u i p m e n t s u s e di n p r e c i s i o n m e a s u r e m e n t . C o n s i s t s o f c o m p a r i s o n s o f t w o i n s t r u m e n t s ,
o n e o f w h i c h i s a c e r t i f i e d s t a n d a r d o f k n o w n a c c u r a c y , t o d e t e c t a n d
a d j u s t a n y d i s c r e p a n c y i n t h e a c c u r a c y o f t h e i n s t r u m e n t b e i n g c o m p a r e d .
R e m o v e / I n s t a l l . T o r e m o v e a n d i n s t a l l t h e s a m e i t e m w h e n r e q u i r e d t o
p e r f o r m s e r v i c e a n d o t h e r m a i n t e n a n c e f u n c t i o n s . I n s t a l l m a y b e t h e a c to f e m p l a c i n g , s e a t i n g , o r f i x i n g i n t o p o s i t i o n a s p a r e , r e p a i r p a r t , o r
m o d u l e ( c o m p o n e n t o r a s s e m b l y ) i n a m a n n e r t o a l l o w t h e p r o p e r f u n c t i o n -
i n g o f a n e q u i p m e n t o r s y s t e m .
R e p l a c e . T o r e m o v e a n u n s e r v i c e a b l e i t e m a n d i n s t a l l a s e r v i c e a b l e
c o u n t e r p a r t i n i t s p l a c e . " R e p l a c e " i s a u t h o r i z e d b y t h e M A C a n d i s
s h o w n a s t h e 3 r d p o s i t i o n c o d e o f t h e S M R c o d e .
R e p a i r . T h e a p p l i c a t i o n o f m a i n t e n a n c e s e r v i c e s , i n c l u d i n g f a u l t
l o c a t i o n / t r o u b l e s h o o t i n g , r e m o v a l / i n s t a l l a t i o n , a n d d i s a s s e m b l y / a s s e m b l y
p r o c e d u r e s , a n d m a i n t e n a n c e a c t i o n s t o i d e n t i f y t r o u b l e s a n d r e s t o r e
s e r v i c e a b i l i t y t o a n i t e m b y c o r r e c t i n g s p e c i f i c d a m a g e , f a u l t , m a l f u n c -
t i o n , o r f a i l u r e i n a p a r t , s u b a s s e m b l y , m o d u l e ( c o m p o n e n t o r a s s e m b l y ) ,
e n d i t e m , o r s y s t e m .
O v e r h a u l . T h a t m a i n t e n a n c e e f f o r t ( s e r v i c e / a c t i o n ) p r e s c r i b e d t o r e s t o r e
a n i t e m t o a c o m p l e t e l y s e r v i c e a b l e / o p e r a t i o n a l c o n d i t i o n a s r e q u i r e d b ym a i n t e n a n c e s t a n d a r d s i n a p p r o p r i a t e t e c h n i c a l p u b l i c a t i o n s ( i . e . , D M W R ) .
O v e r h a u l i s n o r m a l l y t h e h i g h e s t d e g r e e o f m a i n t e n a n c e p e r f o r m e d b y t h eA r m y . O v e r h a u l d o e s n o t n o r m a l l y r e t u r n a n i t e m t o l i k e n e w c o n d i t i o n .
R e b u i l d . C o n s i s t s o f t h o s e s e r v i c e s / a c t i o n s n e c e s s a r y f o r t h e r e s t o r a -
t i o n o f u n s e r v i c e a b l e e q u i p m e n t t o a l i k e n e w c o n d i t i o n i n a c c o r d a n c e
w i t h o r i g i n a l m a n u f a c t u r i n g s t a n d a r d s . R e b u i l d i s t h e h i g h e s t d e g r e e o f
m a t e r i a l m a i n t e n a n c e a p p l i e d t o A r m y e q u i p m e n t . T h e r e b u i l d o p e r a t i o n
i n c l u d e s t h e a c t o f r e t u r n i n g t o z e r o t h o s e a g e m e a s u r e m e n t s
( h o u r s / m i l e s , e t c . ) c o n s i d e r e d i n c l a s s i f y i n g A r m y e q u i p m e n t / c o m p o n e n t s .
E X P L A N A T I O N O F C O L U M N S I N T H E M A C , S E C T I O N I I .
a . C o l u m n 1 , G r o u p N u m b e r . C o l u m n 1 l i s t s f u n c t i o n a l g r o u p c o d e n u m b e r s ,
t h e p u r p o s e o f w h i c h i s t o i d e n t i f y m a i n t e n a n c e s i g n i f i c a n t c o m p o n e n t s ,
a s s e m b l i e s , s u b a s s e m b l i e s , a n d m o d u l e s w i t h t h e n e x t h i g h e r a s s e m b l y .
B - 2
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T M 3 - 6 6 6 5 - 3 1 6 - 1 2
b . C o l u m n 2 , C o m p o n e n t / A s s e m b l y . C o l u m n 2 c o n t a i n s t h e i t e m n a m e s o f c o m -
p o n e n t s , a s s e m b l i e s , s u b a s s e m b l i e s , a n d m o d u l e s f o r w h i c h m a i n t e n a n c e i s
a u t h o r i z e d .
c . C o l u m n 3 , M a i n t e n a n c e F u n c t i o n . C o l u m n 3 l i s t s t h e f u n c t i o n s t o b e
p e r f o r m e d o n t h e i t e m l i s t e d i n C o l u m n 2 .
d . C o l u m n 4 , M a i n t e n a n c e L e v e l . C o l u m n 4 s p e c i f i e s , b y t h e l i s t i n g o f a
w o r k t i m e f i g u r e i n t h e a p p r o p r i a t e s u b c o l u m n ( s ) , t h e l e v e l o f m a i n -
t e n a n c e a u t h o r i z e d t o p e r f o r m t h e f u n c t i o n l i s t e d i n C o l u m n 3 . T h i s
f i g u r e r e p r e s e n t s t h e a c t i v e t i m e r e q u i r e d t o p e r f o r m t h a t m a i n t e n a n c e
f u n c t i o n a t t h e i n d i c a t e d l e v e l o f m a i n t e n a n c e . I f t h e n u m b e r o r c o m -
p l e x i t y o f t h e t a s k s w i t h i n t h e l i s t e d m a i n t e n a n c e f u n c t i o n v a r y a t
d i f f e r e n t m a i n t e n a n c e l e v e l s , a p p r o p r i a t e w o r k t i m e f i g u r e s w i l l b e s h o w n
f o r e a c h l e v e l . T h e w o r k t i m e f i g u r e r e p r e s e n t s t h e a v e r a g e t i m e r e -
q u i r e d t o r e s t o r e a n i t e m ( a s s e m b l y , s u b a s s e m b l y , c o m p o n e n t , m o d u l e , e n d
i t e m , o r s y s t e m ) t o a s e r v i c e a b l e c o n d i t i o n u n d e r t y p i c a l f i e l d o p e r a t i n g
c o n d i t i o n s . T h i s t i m e i n c l u d e s p r e p a r a t i o n t i m e ( i n c l u d i n g a n y n e c e s s a r y
d i s a s s e m b l y / a s s e m b l y t i m e ) ; t r o u b l e s h o o t i n g / f a u l t l o c a t i o n t i m e , a n d
q u a l i t y a s s u r a n c e / q u a l i t y c o n t r o l t i m e i n a d d i t i o n t o t h e t i m e r e q u i r e d
t o p e r f o r m t h e s p e c i f i c t a s k s i d e n t i f i e d f o r t h e m a i n t e n a n c e f u n c t i o n s
a u t h o r i z e d i n t h e m a i n t e n a n c e a l l o c a t i o n c h a r t . T h e s y m b o l d e s i g n a t i o n s
f o r t h e v a r i o u s m a i n t e n a n c e c a t e g o r i e s a r e a s f o l l o w s :
C . . . . . . . ..Operator or crew
O . . . . . . ..Unit Maintenance F . . . . I n t e r m e d i a t e D i r e c t S u p p o r t M a i n t e n a n c e
H . . . . . . . I n t e r m e d i a t e G e n e r a l S u p p o r t M a i n t e n a n c e
L . . . . . . . . . S p e c i a l i z e d R e p a i r A c t i v i t y
D . . . . . . . . . D e p o t M a i n t e n a n c e
e . C o l u m n 5 , T o o l s a n d E q u i p m e n t . C o l u m n 5 s p e c i f i e s , b y c o d e , t h o s e c o m m o n
t o o l s e t s ( n o t i n d i v i d u a l t o o l s ) , c o m m o n T M D E , a n d s p e c i a l t o o l s , s p e c i a l
T M D E , a n d s p e c i a l s u p p o r t e q u i p m e n t r e q u i r e d t o p e r f o r m t h e d e s i g n a t e d
f u n c t i o n .
f . C o l u m n 6 , R e m a r k s . T h i s c o l u m n s h a l l , w h e n a p p l i c a b l e , c o n t a i n a l e t t e r
c o d e , i n a l p h a b e t i c a l o r d e r , w h i c h s h a l l b e k e y e d t o t h e r e m a r k s c o n -
t a i n e d i n S e c t i o n I V .
B - 4 . E X P L A N A T I O N O F C O L U M N S I N T O O L S A N D T E S T E Q U I P M E N T R E Q U I R E M E N T S , S E C T I O N I I I .
a . C o l u m n 1 , R e f e r e n c e C o d e . T h e t o o l a n d t e s t e q u i p m e n t r e f e r e n c e c o d e
c o r r e l a t e s w i t h a c o d e u s e d i n t h e M A C , S e c t i o n I I , C o l u m n 5 .
b . C o l u m n 2 , M a i n t e n a n c e L e v e l . T h e l o w e s t l e v e l o f m a i n t e n a n c e a u t h o r i z e d
t o u s e t h e t o o l o r t e s t e q u i p m e n t .
c . C o l u m n 3 , N o m e n c l a t u r e . N a m e o r i d e n t i f i c a t i o n o f t h e t o o l o r t e s t
e q u i p m e n t .
d . C o l u m n 4 , N a t i o n a l S t o c k N u m b e r . T h e N a t i o n a l S t o c k N u m b e r o f t h e t o o l
o r t e s t e q u i p m e n t .
e . C o l u m n 5 , T o o l N u m b e r . T h e m a n u f a c t u r e r ’ s p a r t n u m b e r .
B - 3
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T M 3 - 6 6 6 5 - 3 1 6 - 1 2
B - 5 . EXPLANATION OF COLUMNS IN REMARKS, SECTION IV.
a . C o l u m n 1 , R e f e r e n c e C o d e . T h e c o d e r e c o r d e d i n c o l u m n 6 , S e c t i o n I I .
b . C o l u m n 2 , R e m a r k s . T h i s c o l u m n l i s t s i n f o r m a t i o n p e r t i n e n t t o t h e m a i n -
t e n a n c e f u n c t i o n b e i n g p e r f o r m e d a s i n d i c a t e d i n t h e M A C , S e c t i o n I I .
S E C T I O N I I
MAINTENANCE ALLOCATION CHART
FOR M81 SIMULATOR
( 1 ) ( 2 ) ( 3 ) ( 4 ) ( 5 ) ( 6 )M a i n t . L e v e l
G r o u p C o m p o n e n t / A s s e m b l y M a i n t . T o o l s a n d
N o . F c t n . U n i t I n t e r m . D e p o t E q u i p m e n t R e m a r k s
c o F H D
0 0 S i m u l a t o r , D e t e c t o r I n s p e c t . 1
U n i t , C h e m i c a l A g e n t T e s t . 4
A u t o m a t i c A l a r m , M 8 1 S e r v i c e . 1
R e p a i r . 1 " A "
S E C T I O N I I I
TOOL AND TEST EQUIPMENT REQUIREMENTSFOR M81 SIMULATOR
N o t A p p l i c a b l e
S E C T I O N I V
REMARKS
R e f . C o d e
" A "
R e m a r k s
C o m p o n e n t s w h i c h a r e r e p l a c e a b l e b y U n i t M a i n t e n a n c e a r e :
A s s e m b l y P a r t N u m b e r
C a b l e , I n t e r f a c e , M 4 3 A l C 5 - 1 5 - 8 8 0 6
P o w e r C a b l e D 5 - 1 5 - 8 8 1 7
R e c e i v e r A s s e m b l y D 5 - 1 5 - 8 8 1 9
T r a n s m i t t e r A s s e m b l y D 5 - 1 5 - 8 8 4 3
T o n e M o d u l e S e t , S p e c i a l P u r p o s e D 5 - 1 5 - 8 8 5 0 - X X X
T o n e M o d u l e S e t D 5 - 1 5 - 8 8 5 0 - 0 0 0
T r a n s i t C a s e D 5 - 1 5 - 8 8 5 6
A n t e n n a , M o d i f i e d C 5 - 1 5 - 8 9 0 3
B - 4
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T M 3 - 6 6 6 5 - 3 1 6 - 1 2
A P P E N D I X C
C O M P O N E N T S O F E N D I T E M A N D B A S I C I S S U E I T E M S L I S T S
S E C T I O N I
INTRODUCTION
C - 1 . S c o p e .
T h i s a p p e n d i x l i s t s c o m p o n e n t s o f e n d i t e m a n d b a s i c i s s u e i t e m s f o r t h e s i m u l a t o r
t o h e l p y o u i n v e n t o r y i t e m s r e q u i r e d f o r s a f e a n d e f f i c i e n t o p e r a t i o n .
C - 2 . G e n e r a l .
T h e C o m p o n e n t s o f E n d I t e m a n d B a s i c I s s u e I t e m s L i s t s a r e d i v i d e d i n t o t h e f o l l o w -
i n g s e c t i o n s :
a . S e c t i o n I I . C o m p o n e n t s o f E n d I t e m . T h i s l i s t i n g i s f o r i n f o r m a t i o n a l
p u r p o s e s o n l y , a n d i s n o t a u t h o r i t y t o r e q u i s i t i o n r e p l a c e m e n t s . T h e s ei t e m s a r e p a r t o f t h e e n d i t e m , b u t a r e r e m o v e d a n d s e p a r a t e l y p a c k a g e d
f o r t r a n s p o r t a t i o n o r s h i p m e n t . A s p a r t o f t h e e n d i t e m , t h e s e i t e m s
m u s t b e w i t h t h e e n d i t e m w h e n e v e r i t i s i s s u e d o r t r a n s f e r r e d b e t w e e n
p r o p e r t y a c c o u n t s . I l l u s t r a t i o n s a r e f u r n i s h e d t o a s s i s t y o u i n i d e n -
t i f y i n g t h e i t e m s .
b . S e c t i o n I I I . B a s i c I s s u e I t e m s . T h e s e a r e t h e m i n i m u m e s s e n t i a l i t e m s
r e q u i r e d t o p l a c e t h e s i m u l a t o r i n o p e r a t i o n , t o o p e r a t e i t , a n d t o
p e r f o r m e m e r g e n c y r e p a i r s . A l t h o u g h s h i p p e d s e p a r a t e l y p a c k a g e d , B I I
m u s t b e w i t h t h e s i m u l a t o r d u r i n g o p e r a t i o n a n d w h e n e v e r i t i s t r a n s -
f e r r e d b e t w e e n p r o p e r t y a c c o u n t s . T h e i l l u s t r a t i o n s w i l l a s s i s t y o u
w i t h h a r d - t o - i d e n t i f y i t e m s . T h i s m a n u a l i s y o u r a u t h o r i t y t o
r e q u e s t / r e q u i s i t i o n r e p l a c e m e n t B I I , b a s e d o n T O E / M T O E a u t h o r i z a t i o n o f
t h e e n d i t e m .
C - 3 . E x p l a n a t i o n o f C o l u m n s .
T h e f o l l o w i n g p r o v i d e s a n e x p l a n a t i o n o f c o l u m n s f o u n d i n t h e t a b u l a r l i s t i n g s :
a . C o l u m n ( 1 ) - I l l u s t r a t i o n N u m b e r ( I l l u s N u m b e r ) . T h i s c o l u m n i n d i c a t e s
t h e n u m b e r o f i l l u s t r a t i o n i n w h i c h t h e i t e m i s s h o w n .
b . C o l u m n ( 2 ) - N a t i o n a l S t o c k N u m b e r . I n d i c a t e s t h e N a t i o n a l S t o c k N u m b e r
a s s i g n e d t o t h e i t e m a n d w i l l b e u s e d f o r r e q u i s i t i o n i n g p u r p o s e s .
C - 1
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T M 3 - 6 6 6 5 - 3 1 6 - 1 2
C - 3 . E X P L A N A T I O N O F C O L U M N S ( c o n t i n u e d ) .
c .
d .
e .
C o l u m n ( 3 ) - D e s c r i p t i o n . I n d i c a t e s t h e F e d e r a l i t e m n a m e a n d , i f r e -
q u i r e d , a m i n i m u m d e s c r i p t i o n t o i d e n t i f y a n d l o c a t e t h e i t e m . T h e l a s tl i n e f o r e a c h i t e m i n d i c a t e s t h e F S C M ( i n p a r e n t h e s e s ) f o l l o w e d b y t h e
p a r t n u m b e r .
C o l u m n ( 4 ) - U n i t o f M e a s u r e ( U / M ) . I n d i c a t e s t h e m e a s u r e u s e d i n p e r -
f o r m i n g t h e a c t u a l o p e r a t i o n a l / m a i n t e n a n c e f u n c t i o n . T h i s m e a s u r e i s
e x p r e s s e d b y a t w o - c h a r a c t e r a l p h a b e t i c a l a b b r e v i a t i o n ( e . g . , e a , i n ,
p r ) .
C o l u m n ( 5 ) - Q u a n t i t y r e q u i r e d ( Q t y . R q r . ) . I n d i c a t e s t h e q u a n t i t y o ft h e i t e m a u t h o r i z e d t o b e u s e d w i t h / o n t h e e q u i p m e n t .
T h e r e a r e n o C o m p o n e n t s o f
S E C T I O N I I
COMPONENTS OF END ITEM LIST
E n d I t e m s ( C O E I ) .
S E C T I O N I I IB A S I C I S S U E I T E M S
( 1 ) ( 2 ) ( 3 ) ( 4 ) ( 5 )I l l u s N a t i o n a l S t o c k D e s c r i p t i o n U s a b l e Q t yN u m b e r N u m b e r F S C H a n d P a r t N u m b e r O n C o d e U / M R q r
T M 3 - 6 6 6 5 - 3 1 6 - 1 2 e a 1
O p e r a t o r ’ s a n d U n i tM a i n t e n a n c e M a n u a l , S i m u l a t o r , D e t e c t o r
U n i t , C h e m i c a l A g e n t A u t o m a t i c A l a r m , M 8 1
C - 2
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T M 3 - 6 6 6 5 - 3 1 6 - 1 2
APPENDIX D
A D D I T I O N A L A U T H O R I Z A T I O N L I S T ( A A L )
T h e r e i s n o A d d i t i o n a l A u t h o r i z a t i o n L i s t ( A A L ) .
D - 1 / D - 2 ( b l a n k )
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T M 3 - 6 6 6 5 - 3 1 6 - 1 2
A P P E N D I X E
EXPENDABLE/DURABLE SUPPLIES AND MATERIALS LIST
S E C T I O N IINTRODUCTION
E - 1 . S c o p e .
T h i s a p p e n d i x l i s t s e x p e n d a b l e s u p p l i e s a n d m a t e r i a l s y o u w i l l n e e d t o o p e r a t e a n d
m a i n t a i n t h e S i m u l a t o r . T h i s l i s t i n g i s f o r i n f o r m a t i o n a l p u r p o s e s o n l y a n d i s n o t
a u t h o r i t y t o r e q u i s i t i o n t h e l i s t e d i t e m s . T h e s e i t e m s a r e a u t h o r i z e d t o y o u b y
C T A 5 0 - 9 7 0 , E x p e n d a b l e / D u r a b l e I t e m s ( E x c e p t M e d i c a l , C l a s s V , R e p a i r P a r t s , a n dH e r a l d i c I t e m s ) , o r C T A 8 - 1 0 0 , A r m y M e d i c a l D e p a r t m e n t E x p e n d a b l e / D u r a b l e I t e m s .
E - 2 . E x p l a n a t i o n o f C o l u m n s .
a .
b .
c .
d .
e .
C o l u m n ( 1 ) - I t e m n u m b e r . T h i s n u m b e r i s a s s i g n e d t o t h e e n t r y i n t h e
l i s t i n g a n d i s r e f e r e n c e d i n t h e n a r r a t i v e i n s t r u c t i o n s t o i d e n t i f y t h e
m a t e r i a l ( e . g . , “ U s e c l e a n i n g c o m p o u n d , I t e m 5 , A p p e n d i x D “ ) .
C o l u m n ( 2 ) - L e v e l . T h i s c o l u m n i d e n t i f i e s t h e l o w e s t l e v e l o f m a i n -
t e n a n c e t h a t r e q u i r e s t h e l i s t e d i t e m .
C - - O p e r a t o r / C r e w
O - - U n i t M a i n t e n a n c e
C o l u m n ( 3 ) - N a t i o n a l S t o c k N u m b e r . T h i s i s t h e N a t i o n a l S t o c k N u m b e r
a s s i g n e d t o t h e i t e m ; u s e i t t o r e q u e s t o r r e q u i s i t i o n t h e i t e m .
C o l u m n ( 4 ) - D e s c r i p t i o n . I n d i c a t e s t h e F e d e r a l i t e m n a m e a n d , i f
r e q u i r e d , a d e s c r i p t i o n t o i d e n t i f y t h e i t e m . T h e l a s t l i n e f o r e a c h
i t e m i n d i c a t e s t h e F e d e r a l S u p p l y C o d e f o r M a n u f a c t u r e r ( F S C M ) i n p a r e n -
t h e s e s f o l l o w e d b y t h e p a r t n u m b e r .
C o l u m n ( 5 ) - U n i t o f M e a s u r e ( U / M ) . I n d i c a t e s t h e m e a s u r e u s e d i n
p e r f o r m i n g t h e a c t u a l m a i n t e n a n c e f u n c t i o n . T h i s m e a s u r e i s e x p r e s s e d
b y a t w o - c h a r a c t e r a l p h a b e t i c a l a b b r e v i a t i o n ( e . g . , e a , i n , p r ) . I f t h e
u n i t o f m e a s u r e d i f f e r s f r o m t h e u n i t o f i s s u e , r e q u i s i t i o n t h e l o w e s t
u n i t o f i s s u e t h a t w i l l s a t i s f y y o u r r e q u i r e m e n t s .
E - 1
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S E C T I O N I I
1 O 6 1 3 5 - 0 0 - 9 3 5 B a t t e r y , D r y , B A 3 0 5 8 / U ( 1 0 p e r s y s t e m ) e a- 2 5 8 7
2 C 7 5 1 0 - 0 0 - 2 4 0 P e n c i l , D Z e a- 1 5 2 6
E - 2
E - 2
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T M 3 - 6 6 6 5 - 3 1 6 - 1 2
I N D E X
S U B J E C T P a g e ( s )
A
Administrative Storage . . . . . . . . . . . . . . . . . . . . . . . . . .
A n t e n n a , R e c e i v e r
Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
A n t e n n a , T r a n s m i t t e r
Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
R e m o v a l . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
B
B a t t e r i e s , T r a n s m i t t e r
R e p l a c e m e n t . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Test Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
c
C h a r a c t e r i s t i c s , C a p a b i l i t i e s , a n d F e a t u r e s , E q u i p m e n t . . . . . . . . . . . . . . . .
C h o o s i n g a S i t e . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
C o m m o n T o o l s a n d E q u i p m e n t . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
C o n f i g u r a t i o n , E q u i p m e n t
M 4 3 A 1 D e t e c t o r C o n f i g u r a t i o n . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
C o n t r o l s a n d I n d i c a t o r s , O p e r a t o r , D e s c r i p t i o n a n d U s e o f . . . . . . . . . . . . . .
D
D a t a , E q u i p m e n t . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
D e c a l s a n d I n s t r u c t i o n P l a t e s , O p e r a t i n g I n s t r u c t i o n s O n . . . . . . . . . . . . . .
D e s t r u c t i o n o f A r m y M a t e r i e l t o P r e v e n t - E n e m y U s e . . . . . . . . . . . . . . . . . . . . .
E n s u r i n g
G e n e r a l S y s t e m P r i n c i p l e s o f O p e r a t i o n . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
E
De tec to r i s Ope ra t ing P rope r ly . . . . . . . . . . . . . . . . . . . .t h a t M 4 3 A 1
F
G
4 - 3 5
2 - 1 4 ,
4 - 2 5
2 - 2 0 ,
4 - 2 5
2 - 9 ,
4 - 2 4
2 - 1 9 ,
4 - 2 4
4 - 1 9
2 - 7 ,
4 - 3 3
1 - 2
2 - 1 5
4 - 1
1 - 1 2
2 - 1
1 - 1 1
2 - 2 4
1 - 1
2 - 9
1 - 1 4
I n d e x 1
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TM 3-6665-316-12
INDEX (continued)
SUBJECT
H
How to Use This Manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
I
Interface Cable, M43A1
Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
J
K
L
M
Maintenance Forms and Records . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Maintenance Procedures
Associated Equipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Unit Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Major Components, Location and Description of
Cables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Tone Module Case . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Receiver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Transit Case . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Transmitter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
N
Nomenclature Cross Reference List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
0
Operation of Simulator System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
P
Power Cable
Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Preparation for Movement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Preparation for Storage or Shipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Preventive Maintenance Checks and Procedures . . . . . . . . . . . . . . . . . . . . . . . . . .
Page (s)
iii
2-10,
4-29
2-22,
4-27
1-1
3-1
4-16
1-10
1-9
1-7
1-3
1-4
1-1
2-17
2-13,
4-32
2-21,
4-26
2-19
1-1,
4-35
2-2
Index 2
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TM 3-6665-316-12
INDEX (continued]
S U B J E C T P a g e ( s )
P (continued)
Principles of Operation
General System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Q
R
Receiver
Installation
In M43Al Detector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Removal
From M43Al Detector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Test Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Repair Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Reporting Equipment Improvement Recommendations . . . . . . . . . . . . . . . . . . . . . . .
S
Safety, Care, and Handling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Scope, of Manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . , . . . . . . . . . . . . .
Service Upon Receipt . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Special Tools, TMDE, and Support Equipment . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Symptom Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
T
Technical Theory of Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Tone Modules, Inspection
Installed Tone Modules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Tone Module, Receiver, Replacement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Tone Module, Transmitter, Replacement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Troubleshooting Procedures, Unit Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . .
U
V
W
X
Y
Z
1-14
1-16
2-10,
4-29
2-20,
4-26
4-34
4-1
1-2
1-14
1-1
4-1
4-1
4-2
1-17
2-3
4-22
4-16
4-1
Index 3/Index 4 (blank)
✩ U.S GOVERNMENT PRINTING OFFICE: 1987— 5 4 2 -O 1 5 ~ 8 0 0 2 9
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B y O r d e r o f t h e S e c r e t a r y o f t h e A r m y :
CARL E. VUONO
G e n e r a l , U n i t e d S t a t e s A r m y
C h i e f o f S t a f f
O f f i c i a l :
R . L . D I L W O R T H
B r i g a d i e r G e n e r a l , U n i t e d S t a t e s A r m y
T h e A d j u t a n t G e n e r a l
D i s t r i b u t i o n :
T o b e d i s t r i b u t e d i n a c c o r d a n c e w i t h D A F o r m 1 2 - 2 8 , O p e r a t o r a n d U n i t
M a i n t e n a n c e r e q u i r e m e n t s f o r C h e m i c a l S e t s a n d K i t s , T r a i n i n g S i m u l a t o r s .
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PIN 063107 000
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