controls and switches · 2020. 8. 12. · teer left s teer right torque s w (l) lift mode...
TRANSCRIPT
March 2008 "3072RT / 3772RT / 3772RT HD" Service & Parts Manual - ANSI SpecificationsPage 4-14
CONTROLS AND SWITCHES
Emergency Stop
Hour Meter
Engine Start (Green)
Choke/Preheat (Black)
Circuit Breaker
Gasoline/Propane (Dual Fuel)
Platform /Chassis
Engine Stop(Red)
Throttle(Green)
Lower(Green)
Raise(Green)
EngineStart / StopPower Relay
Lift / DriveSpeed / Torque
Emergency Stop
Choke / Glow Plug
Generator (Optional)
Horn (Optional)
Drive Enabled Indicator(Optional)
Outrigger Extend/Retract (Optional)
Forward/UpRocker Switch
PotentiometerReverse/DownRocker Switch
Enable Switch
Micro-SwitchesSteering
"3072RT / 3772RT / 3772RT HD" Service & Parts Manual - ANSI Specifications March 2008Page 5-1
SECTION 5:SCHEMATICS
SECTION 5:SCHEMATICS .............................................................................................. 5-1
Hydraulic Schematic ............................................................................................................ 5-2Main Hydraulic Manifold .................................................................................................... 5-4Optional Outriggers Hydraulic Manifold ............................................................................ 5-5
Electric Schematics ............................................................................................................. 5-6Circuit Board ..................................................................................................................... 5-8Controls............................................................................................................................5-10Engine ..............................................................................................................................5-13Optional Outriggers ..........................................................................................................5-15Optional Generator ..........................................................................................................5-16
March 2008 "3072RT / 3772RT / 3772RT HD" Service & Parts Manual - ANSI SpecificationsPage 5-2
HYDRAULIC SCHEMATICCallout
CYL2MA3SV5
ORF3
CYL3MA5SV6RV4
ORF4CYL4MA4SV6RV4
ORF6
LFLR
RV3RFRRRV3
P1
FL1
CYL1
CYL5SV7SV8SV9
Description
Lift Cylinder Components (3072RT)CylinderManifold, Lift CylinderSolenoid Valve - 12V Cable AttachOrifice - 0.073
Lift Cylinder Components (3772RT)Cylinder, UpperManifold, Lift Cylinder, UpperSolenoid Valve - 12V Dual CoilRelief Valve - 3200 PSIOrifice - 0.073Cylinder, LowerManifold, Lift Cylinder, LowerSolenoid Valve - 12V Dual CoilRelief Valve - 3200 PSIOrifice - 0.047
Wheel Motor ComponentsWheel Motor - Left FrontWheel Motor - Left RearRelief Valve - 3000 PSI - Cross Port ReliefWheel Motor - Right FrontWheel Motor - Right RearRelief Valve - 3000 PSI - Cross Port Relief
Pump - Variable DisplacementPressure Compensated
Return Filter - 10 Micron
Cylinder, Steering
Optional Outriggers ComponentsOutrigger CylinderSolenoid Valve, Poppet N.C.Solenoid Valve, Poppet N.C.Spool Valve, 4Way - 3 Position
Callout
MA1SVD1SV1SV2
SV3 - SV4SP1RV1RV2
PD1 - PD2 - PD3EP1 - EP2
MP1LS1 - LS2 - LS3
CBV1 - CBV2CL1CL2CL3HP1
FD1 - FD2EC1
CV1 - CV2OD1OPL2
OPL5 - OPL6ORF5
Description
Manifold ComponentsManifold, Main Valve BlockSpool Valve, Drive, 4 Way - 3 PositionSpool Valve, Lift, 3 WaySpool Valve, Steer, 4 Way - 3 PositionSpool Valve, Series Parallel, 4 Way - 3 PositionProportional Valve - 12VRelief Valve, Lift - 2500 PSIRelief Valve, Steer - 1500 PSIPiloted Spool Valve, 4 Way - 3 PositionPiloted Poppet ValveManual Pull ValveLoad Sense Shuttle Check ValveCounter Balance ValveCoil, Series 8 - 12VCoil, Series 10 - 12VCoil, Series 10 E-Coil - 12VHand Pump, Brake ReleaseFlow Divider / CombinerPressure CompensatorCheck Valve, Load SenseOrifice Disc, Brake - 0.035Orifice Plug, Steer - 0.080Orifice Plug, Flow Divider Bleed - 0.025Orifice, Decent Control - 0.093
"3072RT / 3772RT / 3772RT HD" Service & Parts Manual - ANSI Specifications March 2008Page 5-3
ab
MA-
5
ø.04
7
STL
LFT
GPP
GLS
LSGS
TRPU
MP
LFA
LFB
RRB
B
RRLF
RF
AA
LR
B
RRA
RFB
RRA
LRA
LRB
MA-
1
STR
S2 CL1
S1 CL1
ORLS OR
R
ORS
MA-
4
ø.07
3
ø.09
3
ø.08
0
ø.02
5
UPPE
R LI
FT C
YLIN
DER
3772
RTON
LY
MA-
3
ø.07
3
3072
RTON
LY
LOW
ER L
IFT
CYLI
NDER
STEE
RING
LIFT
CYL
INDE
R
RV4
SV6
SV5
SV7
SV7
SV8
SV8
CYL5
CYL5
CYL5
CYL5
SV7
SV7
SV8
SV8
SV9
CYL3
ORF4
ORF3
RV4
RV3
RV3
CV1
CV2
SV2
SV1
LS2
LS1
SP1
EC1
P1
FL1
RV1
RV2
OPL2
OPL5
ø.03
5
OD1
PD1
PD2
PD3 LS3
CBV1
CBV2
MP1
SV4
CL1
SV3
HP1
33
11
22
SVD1
FD1
2500 PSI
1500 PSI
ORF5
EP2
SV6
CYL4
CYL1
CYL1
CYL2
ORF6
CL2
CL3
ø.02
5
FD2
OPL6
EP1
CL1
TB
ORB
ORLS
ORR
ORS
ORA
OPTI
ONAL
OUT
RIGG
ERS
March 2008 "3072RT / 3772RT / 3772RT HD" Service & Parts Manual - ANSI SpecificationsPage 5-4
Main Hydraulic Manifold
PLG4
PLG4
PLG4OPL6
PLG4OPL5
PLG4
PLG4
PLG6
CBV1
CBV2
PLG6
OPL6
PLG4
PLG4
PLG4
PLG4
PLG4SVD1
FD1EP1
LS2
PLG4 LS1
CV1
CV2
LS3
PD1
PD2
PD3
FD2
EP1HP1
EC1
SV1
CL2
SP1CL3
RV1RV2
SV3
CL1
MP1 OD1
SV4
CL1
SV2
CL1
CL1
GP
STL
BSTR
GLSORR
LRA
LFA
RFA
LFB
RRB
GSTR
ORS
LFT
P
T
RFB LRB
RRA
FRONT BACK
RIGHT TOP
LEFT BOTTOM
LS
ORLS
"3072RT / 3772RT / 3772RT HD" Service & Parts Manual - ANSI Specifications March 2008Page 5-5
Optional Outriggers Hydraulic Manifold
BOTTOMRIGHT
LEFT FRONT
ORA
ORLS
ORSORB
ORR
PLG4
PLG10CAV1
CV1
SV1 CL1 CL1
CV2
March 2008 "3072RT / 3772RT / 3772RT HD" Service & Parts Manual - ANSI SpecificationsPage 5-6
A
B
C
D
ELECTRIC SCHEMATICS
"3072RT / 3772RT / 3772RT HD" Service & Parts Manual - ANSI Specifications March 2008Page 5-7
A
A
B
C
C
TILTSENSOR
MA
IN H
AR
NE
SS
- A
NS
I
March 2008 "3072RT / 3772RT / 3772RT HD" Service & Parts Manual - ANSI SpecificationsPage 5-8
Circuit Board
The Circuit Bard schematic is broken into two pages for clarity. The cable connections areshown on this page. Match the numbers to line-up the traces.
"3072RT / 3772RT / 3772RT HD" Service & Parts Manual - ANSI Specifications March 2008Page 5-9
March 2008 "3072RT / 3772RT / 3772RT HD" Service & Parts Manual - ANSI SpecificationsPage 5-10
Controls
8687
A
8530
87
21
1
2
2
21 2
21
13
42
12
3
65
4
R
H6
X - + A
H5
12 11 10 9 8 7 6 5 4 3 2 1
23
E-ST
OP IN
(H)
IGN
(L)
CHOK
E IN
(L)
THRO
TTLE
INPU
T (L
)HI
RAN
GE (H
)ST
EER
LEFT
STEE
R RI
GHT
TORQ
UE S
W (L
)LI
FT M
ODE
FORW
ARD/
DOW
NRE
VERS
E/UP
PWM
INPU
T
CONN
ECTO
RS O
NM
AIN
CONT
ROL
HARN
ESS
JOYS
TICK
ANSI
UPP
ER C
ONTR
OLS
WIT
HOUT
OUT
RIGG
ER O
PTIO
N
TERM
INAL
STRI
PHD
34CO
NNW
IRE
NUM
BERS
AND
COLO
RS
4 3
DT06-12SAUPPER STATION
2 1 12 11 10 9 8 7 6 5
WHT
WHT
/RED
BLK/
WHT
GRN/
WHT
ORG/
GRN
GRN
ORG
WHT
/BLK
BLU/
RED
GRN/
BLK
BLU/
BLK
BLU
1 W
HT
1A Y
EL/W
HT10
1 YE
L/W
HT
20 O
RG/R
ED
55 O
RG/G
RN
15 B
LK
13 WHT/BLK
35 B
LK/R
ED
32 G
RN/B
LK
3RE
D PLUG
NUM
BERS
FORW
ARD/
DOW
N
S3 S1
ROCK
ERST
EER
L/R
ENAB
LE
REVE
RSE/
UP
PPL
BLU
YEL
GRN3A3132
31 B
LU/B
LK
3 PP
L8
GRN
7 OR
G25
GRN
/WHT
101A
RED
38 PNK/WHT
104 BLU/RED
15 B
LK
6 OR
G/ B
LK
3 PP
L25
GRN
/WHT
25 G
RN/W
HT25
GRN
/WHT
15 B
LK
101
WHT
/RED
101
WHT
/RED
PC BOARD
3 PP
L
3 PP
L
TIM
E DE
LAY
RELA
Y
SPEE
D/TO
RQUE
LIFT
/DRI
VE
14 B
LU
101
WHT
/RED
24 B
LK/W
HT25
GRN
/WHT
55 O
RG/G
RN8
GRN
1 OR
G13
WHT
/BLK
104
BLU/
RED
32 G
RN/B
LK31
BLU
/BLK
14 B
LU
M N O P Q R S T U V W X
ORG/
BLK
RED/
ORG
RED/
BLK
BLK/
RED
ORG/
RED
BLK
TORQ
UE S
W (2
)DE
OUT
(H)
DE IN
(H)
PLAT
FORM
DIS
ABLE
(H)
STAR
T (L
)GN
D
6
DT06-6SUPPER STATION #2
4 3 5 2 1
B D F H K L
6 OR
G/BL
K45
RED
/GRN
45A
RED/
BLK
35 B
LK/R
ED20
ORG
/RED
15 B
LK
C E G A J
72 B
LU/W
HT73
BLK
/WHT
/RED
74 W
HT/B
LK/R
ED71
RED
/WHT
75 R
ED/W
HT/B
LK
NOT
USED
E-ST
OPCH
OKE/
GLOW
RELA
YUP
PER
STAT
ION
KEY
SWIT
CH
2 3
4
DIOD
E BL
OCK
DB-2
DIOD
E BL
OCK
DB-1
GENE
RATO
RSW
ITCH
(OPT
ION) 71 RED/WHT
"3072RT / 3772RT / 3772RT HD" Service & Parts Manual - ANSI Specifications March 2008Page 5-11
8687
A
8530
87
21 2
21 2
21
13
42
12
3
65
4
R
H6
X - + A
H5
2431
12 11 10 9 8 7 6 5 4 3 2 1
23
E-ST
OP IN
(H)
IGN
(L)
CHOK
E IN
(L)
THRO
TTLE
INPU
T (L
)HI
RAN
GE (H
)ST
EER
LEFT
STEE
R RI
GHT
TORQ
UE S
W (L
)LI
FT M
ODE
FORW
ARD/
DOW
NRE
VERS
E/UP
PWM
INPU
T
CONN
ECTO
RS O
NM
AIN
CONT
ROL
HARN
ESS
JOYS
TICK
ANSI
UPP
ER C
ONTR
OLS
WIT
H OU
TRIG
GER
OPTI
ON
TERM
INAL
STRI
PHD
34CO
NNW
IRE
NUM
BERS
AND
COLO
RS
4 3
DT06-12SAUPPER STATION
2 1 12 11 10 9 8 7 6 5
WHT
WHT
/RED
BLK/
WHT
GRN/
WHT
ORG/
GRN
GRN
ORG
WHT
/BLK
BLU/
RED
GRN/
BLK
BLU/
BLK
BLU
1 W
HT
1A Y
EL/W
HT10
1 YE
L/W
HT
20 O
RG/R
ED
55 O
RG/G
RN
15 B
LK
13 WHT/BLK
35 BLK/RED
35 BLK/RED
32 G
RN/B
LK
3RE
D PLUG
NUM
BERS
FORW
ARD/
DOW
N
S3 S1
ROCK
ERST
EER
L/R
ENAB
LE
REVE
RSE/
UP
PPL
BLU
YEL
GRN3A3132
31 B
LU/B
LK
3 PP
L8
GRN
7 OR
G25
GRN
/WHT
101A
RED
38 PNK/WHT
104 BLU/RED
WHTORGGRNBLK
15 B
LK
6 OR
G/ B
LK
3 PP
L
GRY
(57)
RED/
BLU
(301
)
EXTE
NDRE
TRAC
T
PNK/
WHT
(69)
YEL
(68)
GRY
(57)
25 G
RN/W
HT
25 G
RN/W
HT25
GRN
/WHT
15 B
LK
101
WHT
/RED
101
WHT
/RED
TO B
ASE,
CON
NECT
S TO
OUTR
IGGE
R HA
RNES
S
DRIV
EEN
ABLE
LIGH
T
PC BOARD
3 PP
L
3 PP
L
TIM
E DE
LAY
RELA
Y
SPEE
D/TO
RQUE
LIFT
/DRI
VE
2
2
3
3
4
4
DIOD
E BL
OCK
DB-3
14 B
LU
101
WHT
/RED
24 B
LK/W
HT25
GRN
/WHT
55 O
RG/G
RN8
GRN
1 OR
G13
WHT
/BLK
104
BLU/
RED
32 G
RN/B
LK31
BLU
/BLK
14 B
LU
M N O P Q R S T U V W X
ORG/
BLK
RED/
ORG
RED/
BLK
BLK/
RED
ORG/
RED
BLK
TORQ
UE S
W (2
)DE
OUT
(H)
DE IN
(H)
PLAT
FORM
DIS
ABLE
(H)
STAR
T (L
)GN
D
6
DT06-6SUPPER STATION #2
4 3 5 2 1
B D F H K L
6 OR
G/BL
K45
RED
/GRN
45A
RED/
BLK
35 B
LK/R
ED20
ORG
/RED
15 B
LK
E-ST
OPCH
OKE/
GLOW
RELA
YUP
PER
STAT
ION
KEY
SWIT
CH
12
DIOD
E BL
OCK
DB-2
DIOD
E BL
OCK
DB-1
C E G A J
72 B
LU/W
HT73
BLK
/WHT
/RED
74 W
HT/B
LK/R
ED71
RED
/WHT
75 R
ED/W
HT/B
LK
71 RED/WHT
1 32 5
4 6
March 2008 "3072RT / 3772RT / 3772RT HD" Service & Parts Manual - ANSI SpecificationsPage 5-12
"3072RT / 3772RT / 3772RT HD" Service & Parts Manual - ANSI Specifications March 2008Page 5-13
CO
NT
RO
L M
OD
ULE
PO
WE
R M
OD
ULE
EN
GIN
E R
UN
SO
LEN
OID
10 G
A R
ED
00
12 G
A R
ED
00
14 G
A R
ED
00
BAT
TE
RY
CA
BLE
BLK
BAT
TE
RY
CA
BLE
RE
D
Engine
March 2008 "3072RT / 3772RT / 3772RT HD" Service & Parts Manual - ANSI SpecificationsPage 5-14
CO
NT
RO
L M
OD
ULE
PO
WE
R M
OD
ULE
BAT
TE
RY
CA
BLE
BLK
BAT
TE
RY
CA
BLE
RE
D
LIQ
UID
PR
OPA
NE
GA
SO
LIN
E
10 G
A R
ED
00
14 G
A R
ED
00
RE
D/G
RN
"3072RT / 3772RT / 3772RT HD" Service & Parts Manual - ANSI Specifications March 2008Page 5-15
Optional Outriggers
EXTEND
1
1
3
4
65
2
234
1234
RETRACT
PLATFORMPOWERRELAY
UPPER CONTROL STATION
GRN/RED 67
GRN/RED 67
GRY/WHT 66
GRY/WHT 66
GRY/RED 65
GRY/RED 65
GRY/BLK 64
GRY/BLK 64
BRN/YEL 63
BRN/YEL 63
BRN/RED 62
BRN/RED 62
GRN 61
GRN 61
BRN/BLK 60
BLK/ORG BLK/ORG BLK/ORG BLK 15
LR RR RF
PPLRED/WHT
RED/
WHT
201
RED/
BLU
301
PPL
56
BLK
WHT
GRN
ORG
YEL
68
PNK/
WHT
69
GRY
57
RED/
BLU
301
YEL 68PNK/WHT 69
GRY 57
BLK/RED
RED/BLU 301
YEL/WHT 304PCB TERMINAL S17
B+ (VCC1)ALARM TERMINAL
THROTTLE SWITCHTERMINAL 4
PCB TERMINAL S5
LOWER CONTROL BOX
RED/WHT 201
ORG/BLU 125
BLK/ORG 125
BLK/ORG 125
1
2
3
4
PPL PPLLR RR RF LF
PPL
LF
BRN/BLK 60
BLK 15
BLK 15
BLK 15
86
8730
87LIFT ENABLE
RELAY
EXTEND OUTPUTRETRACT OUTPUTALL LEGS DOWN OUTPUTTHROTTLE UP OUTPUT
YEL/BLK 168PPL/WHR 169BRN 156ORG/BLU 125
P4-5
P4-1
P4-6
P4-2
P4-7
P4-3
P4-8
P4-4P2-2
P2-6
P2-3P2-4
GP106
P2-5
P4-9 P2-12
P2-1
P2-11
P2-10P2-7P2-8P2-9
RETRAC LR
OUTRIGGERCYLINDERS
PLATFORM DOWNSWITCH
OUTRIGGER STOWED SWITCHES
OUTRIGGERMANIFOLD
OUTRIGGER PRESSURE SWITCHES
EXTEND LR
RETRACT RREXTEND RR
RETRACT RFEXTEND RF
RETRACT LFEXTEND LF
RETRACT VALVEEXTEND VALVE
CABLEASSEMBLIES
INSIDE LOWER CONTROLS
INSIDEUPPERCONTROL BOX
March 2008 "3072RT / 3772RT / 3772RT HD" Service & Parts Manual - ANSI SpecificationsPage 5-16
Generator Option, RTPublication Art #: ART_2496
N.O.N.C.
ORG
BLK
BLK
BLK
14 GA RED
10 GA RED
YEL/RED
BLKORG ORG
ORGORG/GRN
RED
ORG/GRN
ORG/BLK
INTERMEDIATEHARNESS
RED/WHT
POWERMODULE
CONTROLMODULE
THROTTLESOLENOID
GENTHROTTLESOLENOID
THROTTLE RELAY
TO: CIRCUITBOARD
STARTER
12 VDC BATTERY
TO: GENERATOR
GENERATORVALVE
WHTGRNBLK
DUAL FUEL
87
87a30
85 86
87
87a30
85 86
PIN 5 PIN 5PIN 12PIN 2PIN 1
PIN 12
ENGINE HARNESS
RED/WHT 71RED/WHT
WHT/RED
UPPER CONTROLS
EXISTING UPPER CONTROL CABLEGENERATOR
TOGGLE SWITCH
ALT
N.O.
N.C.
N.C.
N.C.
ORG
BLK
BLK
BLKBLKORG ORG
ORG
ORG/GRN
ORG/GRNORG/GRN
ORG/BLK
INTERMEDIATEHARNESS
RED/WHT
POWERMODULE
CONTROLMODULE
THROTTLESOLENOID
GENTHROTTLESOLENOID
THROTTLE RELAY
PREHEAT RELAY
GEN THROTTLE RELAY
TO: CIRCUITBOARD
TO: GLOWPLUGS
TO: GENERATOR
GENERATORVALVE
WHTGRNBLK
DIESEL
87
87a30
85 86
87
87a30
85 86
87
87a30
85 86
87
87a30
85 86
PIN 5 PIN 5ORG/WHT
ORG/WHT
ORG/BLU
PIN 3
PIN 12PIN 2PIN 1
PIN 12
ENGINE HARNESS
RED/WHT 71RED/WHT
WHT/RED
UPPER CONTROLS
EXISTING UPPER CONTROL CABLEGENERATOR
TOGGLE SWITCH
14 GA RED12 GA RED
10 GA RED
YEL/RED
RED
STARTER
ENGINE RUNSOLENOID
12 VDC BATTERY
ALT
Optional Generator