A MIDDLEBY COMPANY

PS870 “WOW” SERIES GAS FIRED:SPL031107-PF-BD

March 11, 2007

Replaces SPL062506-PF-BDDated June 25, 2006

Parts Manualwith Wiring Diagramsfor domestic ovens Starting Serial # 982150606

Table of Contents: Page 2

© 2006 Middleby Marshall Inc.

Serial # Code (Nine Digit Code)(for units produced prior to mid-July, 2006)First 4 digits - order of productionFifth digit - model specificSixth and Seventh digit - month of productionEighth and Ninth digit - year of production

Serial # Code (Ten Digit Code)(for units produced after to mid-July, 2006)First 5 digits - order of productionSixth digit - model specificSeventh and Eighth digit- month of productionNinth and Tenth digit - year of production

www.middleby.comemail: techsupport@middleby.com

1400 Toastmaster DriveElgin, IL 60120

1-847-741-3300 fax 1-847-741- 4406

Table of ContentsSpec Sheet ...................................................................................................................... 3Key Parts ........................................................................................................................ 6Cross Reference of Wiring Diagram Symbols and Part Number(s) .............................. 7View of Installation Kit(s) and Base Kit(s) .................................................................... 8Parts for Installation Kit(s) and Base Kit(s) ................................................................... 9View of Oven Panels, End Plugs and Window ............................................................. 10Parts for Oven Panels, End Plugs and Window ............................................................ 11View of Gas Piping ....................................................................................................... 12Parts for Gas Piping ...................................................................................................... 13 View(s) of Burner/Blower Motor Assembly ................................................................. 14Parts for Burner/Blower Motor Assembly .................................................................... 15View(s) of Front Control Area(s) .................................................................................. 16Parts for Front Control Area(s) ..................................................................................... 17View of Rear Compartment and Blowers (Conveyor Drive End Shown) .................... 18Parts for Rear Compartment and Blowers (Conveyor Drive End Shown) ................... 19View of “Single” Belt Conveyor ................................................................................... 20 Parts for “Single” Belt Conveyor .................................................................................. 21 View of “Split” 50/50 15” Wide Belt Conveyor ........................................................... 22 Parts for “Split” 50/50 15” Wide Belt Conveyor .......................................................... 23View of “Split” 40/60 Belt Conveyor (12”/18”) ........................................................... 24Parts for “Split” 40/60 Belt Conveyor (12”/18”) .......................................................... 25Standard Finger Configuration 59730D and Part Numbers .......................................... 26Finger Label -59730-1 ................................................................................................... 27Thermocouple Placements L-R (Shipped Standard) 59072G ........................................ 28Thermocouple Placements R-L (Converted to Right to Left in Field) 59073G ............ 29Wiring Diagram, G208-240, 50/60Hz, 1 Phase 54745 Rev. I ....................................... 30

2

3

lriiiJ Middleby· ~~~Marshall

A/A FileNo.: _____ _

Item No.:--------

CONVEYORS OF EXCEI.I.ENCE

Pnnc tple

enerav managa;tfe~t system

Middleby Marshall PS Series Conveyor ovens bake both faster and at a lower temperature than other ovens. Pat­ented vertical columns of hot air move heat aerodynami­cally instead of using high temperatures. The streams of hot air remove the boundary layers of cool heavy air which tend to insulate the product. This gives very rapid baking without burning. All PS870WOW ovens are designed to cook pizza at 5:45 to 6:45 minutes belt speed.

Standard Features Impingement PLUS I low oven profile and dual air return Patented EMS Energy Management System re­duces gas consumption and increases cooking effi­ciency 70"/1778mm-long cooking chamber 32"/813mm-wide, 1 06"/2692mm-long conveyor belt

Energy Management System

The P$870 features an Energy Management System (EMS) that automatically reduces gas consumption. Touch Screen Control can be programmed in one energy saving mode.

Direct Gas

• PATENTS PENDING

cleanabthty

PS870 ovens are designed for easy cleaning. Removable parts include: crumb pans, end panels, air fingers, and a folding conveyor belt assembly.

Easily Serviced

Control compartment is designed for quick and easy ac­cess. All electrical controls are door·mounted.

Warranty All PS870 models have a one year parts and labor war­ranty. Oven start-up and demonstration are included at no additional charge (USA only).

Ventilat ion

For installation under a ventilation hood only.

Midcllebr· Marshal

t400 To•W~"ett..-Olive EJg1n Ulor!oit80,20USA (847)1-41..3"300 F":u:(&47)74 1.0015 WNNnt~<Om

4

WIHJ Middleby• ~ .. Marshall CONVEYORS OF EXCELLENCE

PS870-2 Dou bl e Oven with 15" (381 m m) leg extensions

r- 1 Oil .1 62.,.

1 1~11111) r-1 _l s"" ~ (1)14~ ,., .. w lril

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FRONT VIEW

PS870·3 Triple Oven with 4 " (102mm) leg extensions

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FRONT VIEW

Middlebr· Marshal

CONVaYCHUM UC'fi.~

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PS870 Series Direct Gas Fired Conveyor Oven

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Pmwifd, 1n V$ A.

1400 Too.s lma•lor Drive, Elgin, ILG01 2G-9272, USA • (847) 741 ·3300 • Fax: (847) 741 ·0015 www.rniddJOOy.com

Fo1m .4$ 10

5

IIFID~ Middlebr· ~ .. Marshal

PS870 Series Direct Gas Fired Conveyor Oven

CONVEYORS OF EXCEI.I.ENCE

RECOMMENDED MINIMUM CLEARANCES

Rear of oven Right side of Left Side of to wall oven to wall ove-n to wall

0" (Omm) o• (Omm) o· (Omm)

GENERAL INFORMATION Max Bake

Heating Baking Belt Belt Oven Operating Time Ship Ship M«Jet Zofle Area Length WKIJIJ D<>tllh HekJh1 Tampz Range Wt. Cuba PS870· t 70' f5.5 sq. h. 106' 32' 61·3/4' 48·fl 4" 560' F 5:45 1750 lbs. 160 ft.l with 19' (483mm) 1778mm 1.44m 2692mm 813mm 1S68mm l226mm 2ss•c 6:11.5 795kg .t.5m leg extens1ons

PS870·2 140' 3t sq. II. 106' 32' 61 -314' 62·3/4' 550' f 5:45 3600 lbs. 320 tt.' with 15' (381mm) 3556mm 2.88m 2692mm 813mm 1568mm 1594mm 288' C 6:~5 1589kg 9.0m' leg extensions

P$870·3 210' 46.5 sq. 11. 106' 32' 61-314' 72·114' sso•F 5:45 5250 lbs. 460 II.' With 4" (t02mm) 5334mm 4.32m· 2692mm 8t3mm 1566mm 183Smm 288' C 6:<5 2384kg 13.5m:, f.eg extension$

ELECTRICAL SPECIFICATIONS Max Current Draw at Startup Breakers

Model Verstoo Voltasa PhasetFre9: Suoclv PS870 208·240V 1160 Hz 3 pole. 3 w~re

(2 hot, 1 god)

Am.

20A' As per local codes

1'he average current draw during operation is significantly lower.

Pnmtcl In U.SA

Natural Gas

Propane Gas

GAS SUPPLY SPECIFICATIONS

Min. Gas Pipe SiZQ

'2" (50.8mm) main One1· 114" (12.7mm) NPT

branch to lower oven cavity with Individual lull-flow

shuloff valve

2" (50.8mm) main One 1·114" (12.7rnn>) NPT

branch to lower oven cavity with individual fuii·Uow

shutoff valve

Supety Gas Pressure

6·12" w.c. (14.9·29.9 mbar)

11-14" w.c. (27.4-34.9 rnbar)

Rated Heatlnoot

175.000 BTU (44.1 kcal.

51.3 kW/hr.) per oven cavity

175.000BTU (44.1 kcal.

51.3 kW/hr.) per oven cavity

The gas supply pressures siJOWt1 are for ovons lnstall&d In North Amsrlca. TIJo roqulr&d gas supply pressures of other focatlons are dependent on the local gas type and on alf applicable local codes.

ALL SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE.

1400 Toastmaster Drive. Etgln. IL 60 120·9272. USA • (84 7) 741 -3300 • Fax: (84 7) 741-0015 www.mlddleby.com

Form .4$10

6

\ 2

7

6

12

11A, 11B

~ ~ 16

~ ITEM PART NO.

1 59081

2 58678

3 58679 4 33812·7

4A 33812·8 4B 33812·1

5 M9616

6 57288 7 54727

8 M9887 9 59450

10 31651

11A 50610

11B 57141

12 32108

13 M9608

14 591 12

15 59168

16 33983

17 54724

18 59109

19 58668 20 58669 21 58833 22 56634

23 58676

24 59132 25 58777

KEY PARTS 4, 4A, 4B

8

13

18. 19, 20

DESCRIPTION

Display, Touch Screen- Programmed Drive Motor, Conve)IOr. 1400:1, 130VDC

Controller, Conveyor Thermooouple, 9·112" Temp. Control

Thermocouple. 2 .5" ContrOl Compartment

Thermocouple. 6" High Limil (33984)

Cooling Fan, 6". 24VDC

Blower Motor. 2 hp. 1725 RPM

lgnHion Module, Dual

BumariBiower Motor, 24VDC Modulating Gas Valve, 1/2"(41647)

Amplifier Board Air Switch. Rear Blower

Afr Swttch. Bumer/Biower Motor. Front

Translormer. 240V/24V, 65VA

Power Supply. 24VDC

Photocell

Invertor. 2 hp-Programmed

HI Limit Control Module

Gas Valve. Main, 112' Natural Gas

Control Module, Oigilal, C 14RS.lelt

Thermocouple Module. Digi1al, TC4. Middle

Convertor Module. Digital. A041. Right Flame sensor Ignitor Control Cable-Touch Saeen Display to PLC

Relay-Glass Blower Belt

9

15

6 QUANTI

1 or2

1 or2

5

2 2

2

2 2

2

1

2

1 2 2 1

1

2

5

7

Wiring Diagram on Page 30.

8

20

VIew Of INSTALLATION KIT (Pan Number 59057)

23- Reflector Bracket (Not Shown)

9

View of BASE PAD KIT

1

7A~g-7B

6

dfJ

)' 8

21

10

14 15- Base Pad /Not Shown)

13A, 138

11

9

Parts for INSTALLATION KIT (Part Number 59057)

QTY.-SGL. ITEM BELT PIN DESCRIPTION

20 1 55028 C0NVEYORREARSTOP.18"

21 55027 CONVEYOR END STOP. 29-1/4"

22A 1 33120-0053 GA$ PI PC: N IPPL.C:, 1-11.4'" X 9-112'"

228 2 59910 GAS PIPE NIPPLE. 1-114" X 4"

23 1 59419 BRACKET. REFLECTOR. R .H.

QTY. QTY. QTY. SGL SGLJDBL TRIPLE OVEN OVENfW OVEN

19"LEGS 15*LEGS fTEM 49026-0009 49026-0011 49026-0012 PIN DESCRIPTION

1A 4 37210-0060 LEG. 19" {483mm) (OPTIONAL)

1C 4 37210-0057 LEG. 15" (381mm)

10 4 39684 LEG. 4" (102mm) (43158. set of 4)

3A 2 2 2 37115-0102 CASTER. SWIVEL WITH 3/4" STUD

3B 2 2 2 58930 CASTER, SWIVEL WITH BRAKE

6 2 2 2 27271-0004 PIPE CLAMP, 1-112"

7A 2 2 2 33120-0055 NIPPLE, 1-1/4" DIA. X 3" L, NPT

7B 1 1 1 33120-0054 PIPE. 1-1/4" DIA. X 6" L

7C 2 2 2 59910 GAS PIPE 1-1/4" X 4"

8 2 2 2 23122-0007 ELBOW, 90', 1-1/4" DIA.

9 1 22361-0003 GAS HOSE, 1-114" OIA. x 72" L

10 4 4 4 22450-0028 LEG. 6" {152mm) ADJUATABLE WITH 3/4" STUD

11 1 33120-0056 GAS PIPE. 1-114"DIA. x54"L

12 1 22450-0253 RESTRAINT CABLE, 60" (1524mm)

13A 1 1 21392-0005 EYE BOLT, WALL

13B 1 37699 EYEBOLT, BASE PAD

14 2 2 2 35210-0656 TOP COVER (RIGHT OR LEFT)

NOT SHOWN:

15 1 1 1 37210-0055 BASE PAD

16 2 2 2 21292-0001 SCREW, TEKS HWH #2PT #10-16 x 3/4"

17 16 16 21216-0018 BOLT, HEX CAP 112"-13x 1-1/4"

18 16 16 21416-0003 FLAT WASHER, 1/2"

19 16 16 21426-0004 LOCK WASHER, 112"

20 8 8 8 59156 SCREW. TOPCOVER.1-1/2" LONG

10

47

48 F

ILTE

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TO

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ER

ATIO

N P

AR

T #

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HO

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ITE

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5

11

49

1 59

568

Par

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it50

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op P

anel

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n 6”

x 5

.13”

x 3

7”51

2

5946

4 B

otto

m P

anel

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hape

d

2” x

4.1

3” x

33.

36”

12

View of GAS PIPING

CONTROLS RIGHT HAND BURNER

6

I 4

CONTROLS LEFT HAND BURNER

DUAL BURNER ASSEMBLY FITS HERE

13

Parts for GAS PIPING

ITEM QlY. P/N DESCRIPTION

1 4 23051-0003 UNION, 1/2w

2 1 23051-0012 UNION, 1-1W

3 1 23115-0009 MANUALON/OFFGASVALVE, 112•. BALL

4 2 59450 MODULATINGGASVALVE, 1/2" (41647)

5 1 54724 VALVE, COMBINATION, 1~ -NATURAL GAS

5A 1 28092-0018 SPRING FOR LPCONVERSION -----------------------------------------6 1 42410-0016 BRACKET/CLAMP

14

(1/8

” G

AP)

15

Parts for BURNER/BLOWER MOTOR ASSEMBLY ITEM QTY. PIN DESCRIPTION

1 2 22450-0259 CLAMP, DUCT

2 1 22450-0255 DUCT

3 1 35210-0053 TUBE EXTENSION (Not Shown)

4 1 58754 CLAMP

5 1 54719 DUALASSEMBLYBURNER

(As of 511107 - Targets are Positioned Inside Burner Tubes)

6 1 M9887 BURNERfBLOWER MOTOR, 24V DC

7 2 Contact Factory ORIFICE, NATURAL GAS, .173, #17

8 1 ContactFactory GASKET,AIR INTAKE

9 1 Contact Factory GASKET, DUAL VERTURE

10 2 58833 ELECTRODE, FLAME SENSOR

11 2 58836 WIRE, IGNITION, 27" LONG, 5mm

12 2 58835 WIRE, FLAME SENSOR, 36" LONG

13 2 58834 IGNITOR, ELECTRODE-1/8" GAP

_1~ __ ~ ___ C_o~t~c~ t:_a_::t_9ry __ K~T-T_O_C_O_Ny~~T_T_9 _L~ _________ _

14A 2 5907 4 ORIFICE, LP .118 ----------------------- ------ ------------14B 1 28092-0018 SPRINGFOR GAS VALVE

15 1 Contact Factory KIT TO CONVERT TO NAT GAS

16

26

1, 1

A, 9

1, 1

A, 9

27V

iew

(s)

of F

RO

NT

CO

NT

RO

L A

RE

A(S

)

17

Parts for FRONT CONTROL AREA(s)

[llifl1 OTV fa:l g~s~Bie:ocr:.

1 2 310-2458 FIL TER!GUARD. FAN

1A 2 310-2468 FILTER ONLY

2 2 31651 AMPLIFIER BOARD

3 2 32108 TRANSFORMER. 240124V. 65VA

4 59081 TOUCH SCREEN DISPLAY

5 1 54727 DUAL IGNITION MODULE

6 let 2 58679 CONTROLLER. CONVEYOR

8 2 M0593 TERMINAL BLOCK. 2..POLE

9 2 M9616 COOLING FAN. 24VDC

1Q 33983 HI-LIMIT CONTROL

11 57141 AIR SWITCH, FRONT, BURNER/BLOWER

12 59109 CONTROL, (LEFT-.HAND), DIGITAL. C 14RS · PROGRAMMED

13 58668 THERMOCOUPLE (MIDDLE!. CONTROL. TC4

14 58669 CONVERTER, (RIGHT -HAND). A041

15 M9608 POWER SUPPLY, 24VDC

16 351 45 RESET SWITCH W/GREEN LIGHT, HI -LIMIT

17 2 59168 INVERTOR ·PROGRAMMED

18 2 45644 CIRCUIT BREAKER, 1 AMP

19 2 28021-0047 SWITCH, INTERLOCK

20 4 45037 CIRCUITBREAKER, 15AMP

21 2 45036 CIRCUIT BREAKER. 3 AMP

22 33812·8 THERMOCOUPLE, 2.5" x 60", CONTROL COMPARTMENT

23 5 33812·7 THERMOCOUPLE. 9·1/2" x 120", REAR OF OVEN

24 33812· 1 THERMOCOUPLE 6" (HIGH LIMJn REAR OF OVEN (33984)

25 1 59132 RELAY, DPDT, 24VOC COIL

26 58764 MIDDLEBY LOGO

27 59085 LABLE • MIDDLEBY MARSHALL WOW OVEN

18

9-1/

2”

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Par

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P/N

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1A1

22

52

1-0

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5B

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WH

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L, ID

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22

52

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21

37

21

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21

21

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″-16

x 3

″

51

02

14

22

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64

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17

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/17″

17A

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16

LOC

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AS

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18

42

11

21

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13

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, 1/2

″-13

19

15

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21

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31

15

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12

73

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-00

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N B

LAD

E, C

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, 8″,

IDLE

R E

ND

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15

73

16

BR

AC

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T, M

OT

OR

SU

PP

OR

T

36

15

72

98

INS

ER

T, 1

-7/1

6″

37

1C

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acto

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, 5/8

x 1

38

25

73

25

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G

39

12

80

21

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SW

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H, M

OM

EN

TA

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15

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10

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SW

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H

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A/R

15

12

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2A

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M T

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42

A/R

22

45

0-0

29

7T

UB

ING

, SIL

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NE

43

43

38

12

-6T

HE

RM

OC

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, 12″

x 1

20″,

RE

AR

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44

13

38

12

-1T

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RM

OC

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PLE

6″

(HIG

H L

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3984

)

45

14

15

75

MO

UN

TIN

G B

RA

CK

ET

46

14

45

50

SU

PP

OR

T B

RA

CK

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47

15

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12

PH

OT

O C

ELL

, 24V

DC

48

15

91

08

MO

UN

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RA

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ET

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P/N

DE

SC

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f Sin

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. . . . . ~·· l ·. •• f, ... . . · ... . . . . .

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·. = •·· • • !! ·.·

21

Parts for Single-Belt Conveyor

ITEM OTY PART NO. DESCRIPTION ITEM OTY PART NO. DESCRIPTION

37210.0117 WELOMENT. CONVEYORORIVE FRMlE 22 6 22229.0003 sPROCKET, CONVEYOR BELT

2 37210-0046 WELDMENT.CONVEYORCENTERFRAME 24 22011-0013 COLLAR. SHAFT, WITH SET SCREW

3 37210.0116 WELOMENT,CONVEYORIOLERFRMlE 25 2 22034-0003 BUSHING. BRONZE 3/4" 0.0. x 518"1.0.

5 4 35210-0429 PIVOT PLATE 26 2 35000-1080 SPACER. NYLON 1-114" 0.0. x 314"1.D.

6 8 35210-0491 BUSHING. CONVEYOR ADJUSTMENT 27 2 54947 BRACKET.SHAFTSUPPORT

7 8 F716A8805 WASHER. EXTERNAL TOOTH 1/4" 28 1 35000-1013 ADAPTER, ORIVESHAFT

8 8 21 176.0001 LOCKNUT, HEX 114"-20 29 22152-0017 SPROCKET, DRIVESHAFT, 518"BORE,9T, WITH SET

9A 1 22450-0265 CONVEYOR BELT. COMPLETE. 32'W x 206"1. $CREW

------------------------------------------ 30 1 42400.0164 A$SEMBL Y, ROLLERCHAIN (62UNKS)WITHMA$TERLINK 9B 33900-0032 CONVEYOR BELT. 32"W x 12"1. (0.81 x 0.30m)

MASTERLINK.ROLLERCHAIN 31 1 22273.0001 10 51380 MASTERLINKS KIT, 32" (0.81m) BELT (INC.ITEM$11·13)

32 22152.0018 SPROCKET, DRIVE MOTOR, 518" BORE. 1ST, WITH SET 1 11 MASTERLINK. LEFT $CREW

12 4 MASTERLINK.CENTER 33 35210.0640 ADAPTER.ORIVEMOTORWITH SETSCREW

13 MASTERLINK, RIGHT 35 1 58678 DRIVEMOTOR.BRUSHLESS, 1400:1130VOC

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18 2 37000-0413 BRACKET, IDLER SHAFT ADJUSTMENT 43 1 M10098 HARNESS. WIRE 19 2 35000-1008 SCREW. CONVEYORTENSIOliiAOJUSTMENT 44 1 45035 MOUNTINGBRACKET,ORIVEMOTOR 20 2 54947 BRACKET. SHAfT SUPPORT

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14 42400-0354 SHAFT. IDLER. REAR 32·314" 36 2 22273-0001 MASTERLINK ROLLER CHAIN

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16 3~QQ0·1§35 SHAFT, IDLER, FRQNT, 1§~18" SCREW

17 8 22229-0003 SPROCKET CONVEYORBELT 38 35210-0640 ADAPTER. DRIVE MOTOR WITH SET SCREW

19 2 22034-Q003 BUSHING, BRONZE 314" O,D. x 518"1.0 . 40 2 58678 ORIVEMOTOR, BRUSHLESS, 118HP11400:1

20 2 37000-0413 BRACKET, IDLERS HAFT ADJUSTMENT 45 1 55027 END STOP CONVEYOR 29-1/4"

21 2 35000-1008 SCREW,CONVEYORTENSIONADJUSTMENT 46 55028 REARSTOP CONVEYOR 18"

22 2 54947 BRACKET SHAFTSUPPORT 47 2 30004 CRUMB PAN

23 1 42400-0355 SHAFT, DRIVE, REAR, 35-1/3" 48 2 M10098 HARNESS. WIRE

24 21415-0001 FLAT WASHER. BRONZE, 1" O.D. X 1/2"1.D. 49 45035 MOUNTINGBRACKET,ORIVEMOTOR

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