Market Forge Industries A Kurzanleitung

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

TABLE OF CONTENTS

Subject Code No. Page

HOW TO USE THIS MANUAL................................……………………………………………. 5101 3

BASIC OPERATING INSTRUCTIONS ......................………………………………………..... 5101 3

ILLUSTRATION AND PARTS LIST -AUTOMATIC A-1 COOKER ...………………………... 5102 4

ILLUSTRATION AND PARTS LIST-MANUAL A-1 COOKER ...…………………………….... 5103 5

ILLUSTRATION AND PARTS LIST-AUTOMATIC A COOKER ..……………………………... 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 ...................………………………………………...... 5112 15

WIRING DIAGRAM......................................……………………………………………………..5113 16

SCHEMATIC DIAGRAM..............................…………………………………………………......5114 17

5100

YOUR "SET IT AND FORGET IT" MARK-FORE

MODEL "A" AND "A-1" STEAM COOKERS are the

ultimate in steam cooking advancement and were

developed through extensive research and

engineering skills to satisfy an urgent demand for an

easy-to-operate, easy-to-service steam cooker.

Independently controlled cooking compartments

constitute a remarkable and superior feature.

Each compartment can be used alone, or all three

can be employed simultaneously because each has

its own timing, steam control and signal devices.

The careful factory workmanship of Market Forge

craftsmen in developing this newest scientific

triumph in steam cooking equipment is your

guarantee of efficient, dependable performances.

HOW TO USE THIS MANUAL

This manual contains maintenance and service in-

structions for Model "A" and "A-1"automatic and

manually operated steam cookers. The exploded

view drawings of components are aids to the

identification, disassembly and assembly of parts.

The parts listings provide information necessary for

ordering replacement parts (proper part names and

part numbers). When requesting parts or service,

always furnish the model and serial number of your

machine. The serial number is located on the left

side under the bezzel on the con-trol panel. A

listing of Factory Authorized Service Agencies who

maintain Market Forge equipment will be supplied

without charge upon request.

3. Please specify how you wish merchandise

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.

4. Turn the door wheel clockwise to seal the

cooking compartment.

WARNING: Do not permit steam to leak.

Set the door tight enough to make a firm

seal. Steam leakage will cause undue

wear to the gasket.

5. Turn timer pointer clockwise to the 60 minute

mark, and then to the desired cooking time.

6. Pull the-operating handle out and allow it to

lock in this position. The pilot light will signify

this cooking compartment is in operation. At

the end of the cooking cycle the AUTOMATIC

controls will release the operating handle,

shutting off the steam supply and exhausting

the steam from the cooking com-partment.

The pilot light will be turned off and the

buzzer will signify that cooking has been

terminated.

7. Press the buzzer release knob to silence the

buzzer.

ORDERING REPAIR PARTS

Many repair parts on the Model "A1" steam

cooker are not interchangeable with parts on

the "A" cooker. It is necessary, therefore, to

furnish the following information when ordering

repair parts.

1. Quantity, part number and description of

part.

2. Model and Serial number for which the part

is required.

FOR MANUALLY OPERATED

1through 5

Same as Automatic.

6. Set timer. When bell rings, lift handle and

push in to shut off cooker.

5101

Manifold Compartment A-1 Cooker Automatic * Indicates Interchangeable Parts A1 & Old 'A'

Cooker

Master Illustration Parts List

ITEM PART NO. DESCRIPTION

110-2445* 1" O.D. x 3/8 St. St. Washer

210-2328 *1/4" x 20" Elastic Stop Nut

310-2652 * Gasket

410-3343* Lock nut

510-2988* Rd. Hd. Rivet

610-2427 1/2" I.D. Plated washer

710-2777 3/8" O.D. x 1 1/2" long spring

890-8331 Latch Handle Ass'y.

910-2328 Stop Nut

10 10-2755 *Spring-Operating Arm

11 10-2331 No. 6-32 Hex Nut (Cad. PI.)

12 90-9212 Operating Handle Ass'y.

13 90-9215 Control Handle

14 10-1881 No. 10-32 x 3/8 Fl. Hd. Screw

15 10-1967 Shoulder Screw for linkage

16 90-8926 Signal light term ass'y.

17 90-9214 Shaft Reset Button

18 90-8537* Valve Actuating Arm

19 10-2756* Synchronizer Spring

20 10-2515* No. 6 Lock Washer

21 90-7189 Timer Knob

22 10-4748* Pressure Gauge

23 90-8963 Copper Tubing 3/16" O.D. x 18"

10-4370 Brass Nut

10-4371 Brass Sleeve (Female)

24 90-9219 Bezel (2 comp.)

90-9220 Bezel (3 comp.)

90-7537 Bezel (4 comp.) Pol. Only

25 10-6238 Identification Name plate

26 10-1654 Drive Pin

27 90-8549* Shield Ass'y. Manifold

28 90-9188 Side Panel-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.)

29 10-1740 No. 8-32 x 3/4" Truss Head Screw

30 10-2124* 3/8-16 x 1 1/8 Hex Hd. Screw

31 10-2503* 3/8" Lock washer (cad. PI.)

32 10-1059 3/4" Std. 90° street elbow

33 10-3761 Nipple 3/4" IPS 71/4" Ig.

34 10-6156 Steam Trap

35 10-6157 Adapter Sub—ass'y.

36 10-5514* Timer

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 Valve3/4" 8 Ibs. chrome

10-4741* Safety Valve3/4" 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 90-8905 Push Rod-Solenoid

46 10-2160 No. 10-32 x 3/8 Philips Truss Hd. Scr. (Cadm. PI.)

47 10-2505* No. 10 Lock washer (Cadm. PI.)

48 10-1717 No. 8-32 x 3/8 Rd. Hd. Screw

49 10-2151 No. 6-32 x 2 1/4 Ig. Rd. Hd. Mach. Screw

50 10-5613* Micro Switch (Solenoid)

51 10-5511* Micro Switch (Buzzer)

52 90-9223 Spacer

53 10-2428 Flat Washer

54 90-9226 Name plate Panel—Auto 2 comp.

90-9229 Name plate Panel—Auto 3 comp.

90-8308 Name plate Panel—Auto 4 comp

55 10-4619* Replacement element for Steam Trap painted cap

10-5625* Replacement element for Steam Trap chrome cap

56 10-4559* 1/2" Steam trap complete painted (obs)

90-4003* 1/2" Steam Trap complete chrome (obs)

57 10-2154 No. 10 Ty. "B" Pan Hd. Screw 1/2" Ig. (Cad. PI.)

58 10-1975 No. 4-40 x 7/16 Flat Hd.Scr.

59 10-1949 No. 6 Ty. "A" Pan Hd. Screw 3/8 Ig. (Cad. PI.)

60 10-5614* Junction Box

61 10-5680 Air Adapter

62 10-5972 Fuse Holder Buss H.K.P.

63 10-5973 Fuse Buss M.D.L. 8/10 amp. Slow

64 10-1703 No. 2 Drive Screw

65 90-9237 Top Cover Ass'y.-St. St. (2,3&4 Comp.

90-9238 Top Cover Ass'y. Enamel (2 & 3 Comp.)

66 90-9186 Bottom Enclosure-St. St.

90-9187 Bottom Enclosure -Enamel

67 90-9184 Back Side Enclosure -St. St. (2 Comp.)

90-9231 Back Side Enclosure -St. St. (3 comp.)

90-9896 Back Side End. Ass'y.-St. St. (4 comp.)

90-9185 Back Side End. -Enamel (2 comp.)

90-9232 Back Side Enclosure -Enamel (3

comp.)

5102

* INDICATES INTERCHANGEABLE

PART A1& A COOKER -MANUAL CONTROLS

Manifold Compartment A-1 Cooker Manually Operated

Master Illustration Parts List

ITEM PART NO. DESCRIPTION

1102445* 1" O.D. x 3/8 St. St. washer

2102328* 1/4" x 20 Elastic stop nut

310-2652* Gasket

4103343* Lock nut

510-2988*Rd. Hd. Rivet

610-2427 1/2" I.D. plated washer

710-2777 3/8" O.D. x 1 1/2" long

spring

890-8331 Latch Handle Ass'y.

910-2328 Stop nut

10 10-2755* Spring Operating Arm

11 90-9212 Operating Handle Ass'y.

12 10-1967* Shoulder Screw for linkage

13 90-8534* Pivot Arm

14 10-1881 No. 10-32 x 3/8 fl. hd. screw

15 90-9215 Control Handle

16 90-8537* Valve Actuating Arm

17 10-2756* Synchronizer Spring

18 10-6307 Timer Knob

19 10-5520* Timer

20 10-4748* Pressure Gauge

21 90-9219 Bezel (2 comp.)

90-9220 Bezel (3 comp.)

90-7537 Bezel (4 comp.) Pol. Only

22 106238 Identification name plate

23 10-1703 No. 2 Drive Screw

24 90-8549* Shield Ass'y. Manifold

25 10-2124* 3/8" -16 x 1 1/8"

Hex.

Hd. Cap Screw

26 10-2503* 3/8" Lock Washer (cad. p .)

27 10-1740 No. 8 -32 x 3/4 Truss Hd

Screw

28 90-8144 Comb. steam& exhaust

header

comp.)

90-8145 Comb. steam& exhaust

header

comp.)

90-8146 Comb. steam& exhaust

header

comp.)

29 90-9188 Side Panel-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 Valve3/4" 8 Ibs. brass

10-4742* Safety Valve3/4" 8 Ibs. chrome

36 10-1059 3/4" Std. 90°Street Elbow

37 105846 Name plate Panel (2 comp.)

10-5847 Name plate Panel (3 comp.)

90-8312 Name plate Panel (4 comp.)

38 10-4619* Replacement element for Steam Trap

Painted cap.

10-5625* Replacement element for Steam Trap

Chrome cap.

39 10-4559* 1/2" Steam trap complete

painted (obs)

90-4003* 1/2" Steam trap complete

chrome (obs)

40 10-1975 No. 4-

40x7/16"

Flat Hd. Scw.

41 10-2505 Lock Washer

42 10-2160 No. 10-32 x 3/8 Phil Truss

Hd. Screw

43 909237 Top Cover Ass'y.-

St. St.

(2,3.

&4 comp.)

909238 Top Cover Ass'y.-

Enamel

&3 comp.)

44 10-2154 No. 10 -

Ty "B" Pan Hd.

Screw

1/2"

Lg. (Cad. PI.)

45 90-9186 Bottom Enclosure -

St. St.

(2,3, &4

comp.)

90-9187 Bottom Enclosure —

Enamel

(2 & 3

comp.)

46 10-1949 No. 6

Ty. "A" Pan Hd. Screw

3/8

g. (cad p(.)

47 90-9184 Back Side Enclosure -

St. St.

comp.)

90-9231 Back Side Enclosure -

St. St.

(3 comp.)

90-9896 Back Side End. Ass'y.-

St. St.

comp.)

90-9185 Back Side Enclosure -

Enamel

comp.)

90-9232 Back Side Enclosure -

Enamel

comp.)

5103

MASTER ILLUSTRATION

Manifold Compartment

Automatically Operated

* INDICATES INTERCHANGEABLE

PARTS A1 & 'A' COOKER

Manifold Compartment A Cooker Automatically Operated

Master Illustration Parts List

Item Part No. Description

110-2445* 1" OD x 3/8 St. St. Washer

210-2328* 1/4-20 Elastic stop nut

310-2652* 7/8 x 1 x 1/16 Composition Gasket

410-1910 3/16" Tube x 1/8" Taper pipe thread

w/fitting

10-

3343*

2988

1/2"

Lock nut Nickel Plated

x 3 1/2" Rd. hd. rivet

790-8387 1/2" I.D. plated washer

810-2757 3/8" O.D. x 1" long Spring

990-8546 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.

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 2A33

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.

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

comp.

90-8496 Comb steam & exhaust header -

comp.

90-8604 Comb steam & exhaust header -

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

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)

90-4003* 1/2" steam trap complete chrome

55 10-1921 Retaining screw -side enclosure

104619* Replacement element for steam trap

painted cap

10-5625* Replacement element for steam trap

chrome cap

57 10-5614 Junction box

10-4742* 3/4 -8# Safety valve chrome58

10-4741* 3/4 -8# Safety valve brass

10-3455 3/4" B. I. elbow59

90-7304 3/4" chrome elbow

60 10-5164* Junction box (Cover)

5104

(OBSOLETE)

MASTER ILLUSTRATION

Manifold Compartment

Manually Operated

Dieses Handbuch passt für folgende Modelle

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