Market Forge Industries A Parts And Service Manual Download Page 9

* INDICATES INTERCHANGEABLE 

PARTS                      A1 & 'A' COOKER

 

 

Manifold Compartment A Cooker        Automatically Operated            

Master Illustration         Parts List 

 

Item

 

Part No.

 

Description

 

1

 

10-2445*

 

1" OD x 3/8 St. St. Washer

 

2

 

10-2328*

 

1/4-20 Elastic stop nut

 

3

 

10-2652*

 

7/8 x 1 x 1/16 Composition Gasket

 

4

 

  10-1910

 

3/16" Tube x 1/8" Taper pipe thread 
w/fitting

 

5              
6

 

10-3343*     
10-2988

*

 

1/2"

 Lock nut Nickel Plated                                       

1

/2

 x 3 1/2" Rd. hd. rivet

 

7

 

90-8387

 

1/2"

 I.D. plated washer

 

8

 

10-2757

 

3/8" O.D. x 1" long Spring

 

9

 

90-8546

 

Shaft for reset button

 

10

 

90-8545

 

Bracket for reset button

 

11

 

90-8524

 

Latch handle assembly

 

12

 

90-8550

 

Operating Arm Assembly

 

13

 

90-8547

 

Left Bracket

 

14

 

10-1975

 

4-40-1/2 Flat hd. screw

 

15

 

10-2505*

 

10/32 x 1/16" Lock washer

 

16

 

10-2339

 

10/32 St. St. hex nut

 

17

 

10-2755*

 

Spring for Operating Arm

 

18

 

90-8531

 

Spring Bracket

 

19

 

10-1908

 

1/8" x 1 1/4" drive pin

 

20

 

90-8669

 

Operating Handle

 

21

 

10-1922

 

8/32 x 1/2 Oval hd. screw cad. pl.

 

22

 

90-8534*

 

Pivot Arm

 

23

 

10-1852

 

10/24 x 3/4 Rd. Hd. mach. screw 
cad.                   pl.

 

24

 

90-8537*

 

Valve actuating arm

 

25

 

90-8533

 

Shoulder Screw for Linkage

 

90-8573

 

Side Enclosure St. St. 2 comp.

 

90-8575

 

Side Enclosure St. St. 3 comp.

 

90-8577

 

Side Enclosure St. St. 4 comp.

 

90-8574

 

Side Enclosure Painted 2 comp.

 

90-8576

 

Side Enclosure Painted 3 comp.

 

26

 

 
 
 
 
 
 

90-8578

 

Side Enclosure Painted 4 comp.

 

27

 

10-2756*

 

Valve Synchronizer Spring

 

28

 

10-1845

 

8/32 x 

1/4

 St. St. self tapping screw

 

29

 

10-5514*

 

0-60 minute electric timer

 

30

 

10-5499

 

115V Pilot Light

 

31

 

10-4713

 

Timer knob

 

32

 

10-4748*

 

0-30# Pressure Gauge

 

90-8683

 

Bezel  2A

 

33

 

 
 

90-8684

 

Bezel  3A

 

34

 

10-2339

 

#10 Hex nut St. St.

 

 

 

Item

 

Part No.

 

Description

 

90-8549

*

 

Manifold Shield St. St.

 

35

 

 
 

90-8541

 

Manifold Shield Painted

 

90-8434

 

Side Panel St. St. 2 comp .

 

90-8435

 

Side Panel St. St. 3 comp.

 

90-8436

 

Side Panel St. St. 4 comp.

 

90-8430

 

Side Panel Painted 2 comp.

 

90-8431

 

Side Panel Painted 3 comp.

 

36

 

 
 
 
 
 
 

90-8432

 

Side Panel Painted 4 comp.

 

37

 

10-4563

 

Buzzer

 

38

 

10-1888

 

#10 Cad plated lock washer

 

39

 

10-5613*

 

Solenoid Micro switch

 

40

 

90-4159

 

Insulator

 

41

 

10-2337

 

6/32 St. St. hex nut

 

42

 

10-2503*

 

3/8" Lock washer cad. pl.

 

43

 

10-2124*

 

3/8" - 16 x 1 1/8" hex hd. cap screw

 

90-8498

 

Comb steam & exhaust header                                     
2 comp.

 

90-8496

 

Comb steam & exhaust header -                                    
3 comp.

 

44

 

 
 

90-8604

 

Comb steam & exhaust header -        
4 comp.

 

45

 

10-5511*

 

Buzzer micro switch

 

46

 

10-5997*

 

115V solenoid

 

47

 

10-1701

 

1/4 - 20 x 3/8 Rd hd mach screw cad                          
pl

 

48

 

10-2508

 

1/4 x 3/32 x 1/16 St. St. lock washer

 

49

 

90-8542

 

Push rod for Solenoid

 

50

 

10-2515*

 

#6 x 3/6 x 1/32 lock washer cad pl

 

51

 

10-1760

 

10/32 x 1/2" St. St. mach screw

 

52

 

90-4399

 

Spring clip

 

53

 

90-8739

 

Panel clip

 

10-4559*

 

1/2" steam trap complete brass 
(obs)

 

54

 

 
 

90-4003*

 

1/2"

 steam trap complete chrome

 

55

 

10-1921

 

Retaining screw - side enclosure

 

104619*

 

Replacement element for steam trap 
-                  painted cap

 

56

 

 

10-5625*

 

Replacement element for steam trap 
-                 chrome cap

 

57

 

10-5614

 

Junction box

 

10-4742*

 

3/4 - 8# Safety valve chrome

 

58

 

 
 

10-4741*

 

3/4 - 8# Safety valve brass

 

10-3455

 

3/4" B. I. elbow

 

59

 

 
 

90-7304

 

3/4" chrome elbow

 

60

 

10-5164*

 

Junction box (Cover)

 

 

5104

 

(OBSOLETE) 

Summary of Contents for A

Page 1: ...Revision 3 1975 MODEL A MODEL A I STEAM COOKERS Manual Automatic PARTS and SERVICE MANUAL Market Forge Everett Ma 01249 Tel 387 4100 Facsimile 617 387 4456 5099 ...

Page 2: ...KER 5104 6 ILLUSTRATION AND PARTS LIST MANUAL A COOKER 5108 7 MODEL A 1 DOOR ASSEMBLY 5106 8 MODEL A DOOR ASSEMBLY 5107 9 WATTS PRESSURE REDUCING VALVE A 1 COOKER 5010 10 STRONG PRESSURE REDUCING VALVE A COOKER 5108 11 STEAM MANIFOLD AND VALVE ASSEMBLY 5109 12 SERVICING THE STEAM SUPPLY VALVE 5110 13 STEAM PRESSURE GAUGE ASSEMBLY 5110 13 CONTROL BOX ASSEMBLY 5111 14 SUGGESTED STEAM CONNECTIONS 511...

Page 3: ...handise shipped If this information is not furnished we will ship the best and most economical way NOTE All part orders received before 2 00 P M are shipped the same day the order is received BASIC OPERATING INSTRUCTIONS FOR AUTOMATIC 1 Check to be sure the steam pressure gauge regis ters between 4 and 5 pounds 2 Place pans of food into the cooking compartment to be used 3 Close and latch the door...

Page 4: ......

Page 5: ...imer 37 90 8144 Comb Steam Exhaust Header 2 comp 90 8145 Comb Steam Exhaust Header 3 comp 90 8146 Comb Steam Exhaust Header 4 comp ITEM PART NO DESCRIPTION 38 90 8534 Pivot Arm 39 10 4742 Safety Valve 3 4 8 Ibs chrome 10 4741 Safety Valve 3 4 8 Ibs brass 40 10 1053 Elbow 3 4 IPS 90 41 10 5164 Junction Box Cover 10 2652 Gasket 42 90 9195 Insulator Buzzer 43 10 6682 Buzzer 44 10 5997 Solenoid 45 90 ...

Page 6: ......

Page 7: ...St St 2 comp 90 9199 Side Panel St St 3 comp 90 9203 Side Panel St St 4 comp 90 9189 Side Panel Enamel 2 comp 90 9200 Side Panel Enamel 3 comp 30 10 6156 Steam Trap 31 10 6157 Adapter Sub Ass y 32 90 8963 Copper Tubing 3 16 O D x 18 10 4370 Brass Nut ITEM PART NO DESCRIPTION 10 4371 Brass Sleeve Female 33 10 3761 Nipple 3 4 IPS 7 1 4 Ig 34 10 1053 Elbow 3 4 IPS 90 35 10 4741 Safety Valve 3 4 8 Ibs...

Page 8: ...MASTER ILLUSTRATION Manifold Compartment Automatically Operated ...

Page 9: ... 60 minute electric timer 30 10 5499 115V Pilot Light 31 10 4713 Timer knob 32 10 4748 0 30 Pressure Gauge 90 8683 Bezel 2A 33 90 8684 Bezel 3A 34 10 2339 10 Hex nut St St Item Part No Description 90 8549 Manifold Shield St St 35 90 8541 Manifold Shield Painted 90 8434 Side Panel St St 2 comp 90 8435 Side Panel St St 3 comp 90 8436 Side Panel St St 4 comp 90 8430 Side Panel Painted 2 comp 90 8431 ...

Page 10: ...MASTER ILLUSTRATION Manifold Compartment Manually Operated ...

Page 11: ...1 4 St St Self Tapping Screw 20 10 5220 0 60 Minute Mechanical Timer 21 10 4713 Timer Knob 22 10 4748 0 30 Pressure Gauge 23 90 8683 Bezel 2A 90 8684 Bezel 3A 24 10 2339 10 Hex Nut St St Item Part No Description 25 90 8549 Manifold Shield St St 90 8541 Manifold Shield Painted 90 8434 Side Panel St St 2 Comp 90 8435 Side Panel St St 3 Comp 90 8436 Side Panel St St 4 Comp 90 8430 Side Panel Painted ...

Page 12: ...10 2427 1 16 Thk x 1 O D Flat Washer 12 90 8111 Hinge Polished upper and lower 90 8316 Hinge Enameled upper and lower 90 8147 Inner Door Ass y Items 1 5 ITEM PART NO DESCRIPTION 13 10 1981 Pivot Hinge 14 90 8113 Handwheel Polished Solid 90 8328 Handwheel Spoked Enamel 15 90 8126 Outer Door Ass y Polished 90 8320 Outer Door Ass y Enameled 16 10 2423 Thrust Washer 17 10 3080 Door Bushing 18 10 1696 ...

Page 13: ...2 10 4121 Retaining Ring 13 90 8879 Door Hinge Pin 90 8677 Outer Hinge Bracket Polished 14 10 0474 Outer Hinge Bracket Painted 90 8520 Inner Hinge Bracket Bottom Polished 15 10 0426 Inner Hinge Bracket Bottom Painted 16 90 8559 Handwheel stainless steel 90 8560 Handwheel painted 17 90 8680 Outer Shell Assembly painted 90 8507 Outer Shell Assembly St St 18 10 1690 Roll Pin 19 10 2423 Thrust Washer ...

Page 14: ...se just enough to allow the valve to open slightly Allow cooker to operate in this manor several minutes 3 Turn adjusting screw down slowly at intervals until reduced pressure reaches the desired Point 5 P S I 4 Tighten adjusting screw lock nut 5 If chattering noise should occur turn adjusting screw located in bottom half of valve body clockwise or counter clockwise until chattering stops INSPECTI...

Page 15: ...r 104828 6 Upper Stem Guide 104829 7 Upper Diaphragm Block 10 4830 8 Cover Gasket 10 4831 9 Diaphragm with gasket 104782 10 Body with seat insert 10 4832 11 Lower Diaphragm Plate 10 3833 12 Seat Insert 10 4834 13 Strainer Screen 10 4783 14 Disc pressed on stem 10 4835 15 Bottom Plug 10 4836 ADJUSTING TYPE K REDUCING VALVES 1 Release the adjusting screw lock nut and loosen adjusting screw 1 enough ...

Page 16: ...he hole facing the front portal 2 Drop valve synchronizer lever and ball assembly 5 in from the top opening of the valve with cut out on the lever facing ball 4 3 Manipulate valve synchronizer 3 in position large prong in ball smaller prong in lever 4 Screw on valve bonnet 1 and valve cap 6 5 Place the spacer over the shaft of the valve synchronizer 6 Place the valve actuating arm over the shaft o...

Page 17: ...mend an application of Rectorseal to threads to make a secure fit 5 Repeat the above process if the first attempt does not stop the valve from leaking Seating tool may be obtained from the factory THE STEAM PRESSURE GAUGE ASSEMBLY To remove the complete steam pressure gauge assembly it will first be necessary to remove the side panel The steam pressure gauge may then be detached by removing item 2...

Page 18: ...signifying that cooking is taking place the buzzer and solenoid will still be de energized When the cycle on the timer clock has been completed a flow of current will energize the solenoid forcing the solenoid push rod to lift and disengage the operating handle The operating handle now freed from the bumper and stop bar will spring back to the off position The innermost micro switch released from ...

Page 19: ...lobe valve for emergency shut off a ball float trap to prevent dirt and water from entering the cooking units and a pressure regulating valve to reduce and regulate steam pressures for delivery NOTES 5112 ITEM PART NO DESCRIPTION 1 10 2821 3 4 Globe Valve 2 10 5336 Ball Float Trap 3 10 1033 3 4 Pressure Reducing Valve 5 Ib enamel 10 1034 3 4 Pressure Reducing Valve 5 Ib chrome ...

Page 20: ... similar except for no req d of Timers Switches Solenoids Lights Connectors 2 On 3 4 compartment wiring use Marr Conn 10 5172 when connecting more than 3 wires DIAGRAM NOTES 1 Dw g No B 90 9217 or B 90 8727 Guide Bracket Micro Switch Ass y made up as a sub ass y with leads 90 8915 90 8916 90 8917 90 8918 2 Use B 90 9217 on A 1 Cooker Use B 90 8727 on A Cooker 5113 ...

Page 21: ...omatic 2 3 4 Compartment 120 V 60 Hz 240 V 50 Hz Drawinq No B 90 9240 SCHEMATIC NOTE End of Cooking Cycle Timer at zero Control Arm in unlocked position Light Solenoid Buzzer de energized Buzzer silenced by reset button on switch 5114 ...

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