Market Forge Industries 3500 SERIES Parts And Service Manual Download Page 2 | Manualshive

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Market Forge Industries 3500 SERIES Parts And Service Manual Download Page 2

JULY 30, 2014

2

3500 SERIES CONVECTION STEAMERS

TABLE OF CONTENTS

PRINCIPLES OF OPERATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

REPAIR & REPLACEMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

ILLUSTRATED PART LIST

DOOR ASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

CABINET ASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

CONTROL PANEL ASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

CONDENSER ASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

COMPLETE CONDENSER ASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

POWER PLUS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

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Summary of Contents for 3500 SERIES

Page 1: ...venue Burlington Vermont 05401 USA Telephone 802 658 6600 Fax 802 860 3732 www mfii com P N 14 0280 Rev A 7 14 Superseding All Previous Parts Lists The Company reserves the right to make substitution in the event that items specified are not available ERRORS Descriptive and or typographic errors are subject to correction ...

Page 2: ...EAMERS TABLE OF CONTENTS PRINCIPLES OF OPERATION 3 TROUBLESHOOTING 5 REPAIR REPLACEMENT 11 ILLUSTRATED PART LIST DOOR ASSEMBLY 12 CABINET ASSEMBLY 13 CONTROL PANEL ASSEMBLY 15 CONDENSER ASSEMBLY 16 COMPLETE CONDENSER ASSEMBLY 17 POWER PLUS 18 ...

Page 3: ...e control circuit Steam is projected onto the surface of pans of food load ed into the compartment by an orifice located inside the compartment Steam continues to flow through the com partment in this manner until the control circuit closes the solenoid valve STEAM EXHAUST AND DRAIN LINES Perforated strainers at the drain line openings inside each compartment allow only steam condensation and liqu...

Page 4: ... and energizing the buzzer Contact to the buzzer circuit remains closed until the dial is manu ally turned to the OFF position returning the common ele ment 1 of the timer switch to the neutral position DOOR INTERLOCK SWITCH The interlock switch is a single pole proximity switch with normally open contacts The switch is operated by the proximity of a magnet within the door When the door is open th...

Page 5: ... NOT TURNING A Constant steam position Move knob to timing location B Faulty thermostatic switch Replace switch Refer to cooking compartment thermostatic switch section C Faulty timer motor Replace switch Refer to 60 minute timer section D Faulty steam solenoid valve Replace switch Refer to steam solenoid valve section E Faulty wiring Inspect condition of wire and tightness of all connections Corr...

Page 6: ...ECTRICAL FAULT ISOLATION Correction of an electrical failure first requires isolation of the fault to a single circuit or component In most cases the nature of the failure and its effect upon the operation of the cooker will be sufficient to narrow it down to one or more circuit elements Refer to the isolating electrical faults table below INCOMING POWER Before trouble shooting any of the electric...

Page 7: ...JULY 30 2014 7 3500 SERIES CONVECTION STEAMERS TROUBLESHOOTING 3500 ONLY Figure 2 ...

Page 8: ...JULY 30 2014 8 3500 SERIES CONVECTION STEAMERS TROUBLESHOOTING 3500 POWER PLUS ONLY Figure 3 ...

Page 9: ... the cooker DOOR INTERLOCK SWITCH Malfunction of the cooker door interlock switch prevents timer indicator lights from turning on and steam solenoid from opening when the timer dial is set If steam does not enter the compartment and the indicator light fails to turn on with the door latch securely engaged the fault may be in the door interlock switch Proceed as follows 1 Turn off power to the cook...

Page 10: ...r control components timer or selector switch COLD WATER CONDENSER CIRCUIT If during cooker operation steam exits from the drain line opening located in lower boiler compartment and the condensing system fails to operate as evidenced by repeated discharge of water from the drain line the condensing circuit is malfunctioning The failure can be caused by a defective condenser thermostat or cold wate...

Page 11: ...ploded views In structions follow for procedures that are not readily ap parent DOOR LATCH TENSION ADJUSTMENT CAUTION Shut off main electrical power to unit 1 Open the cooking compartment door 2 Remove the control panel by removing the eight mounting screws and disconnecting the wire plug and restraining wire 3 Tighten both nuts down until the springs are fully compressed 4 Back each nut off 1 2 t...

Page 12: ... 3500 SERIES CONVECTION STEAMERS DOOR ASSEMBLY REF PART DESCRIPTION QTY 4 91 5286 DOOR GASKET 1 5 91 5745 DOOR HANDLE 1 6 09 1608 STRIKER 1 7 08 5027 MAGNET 1 8 91 5901 MAGNET BRACKET 1 9 08 4600 COMPRESSION SPRING 2 ...

Page 13: ...RACKET LINER TIE 1 16 98 3503 PANEL BACK 1 17 91 7619 PANEL TOP 1 18 98 3505 PANEL RT SIDE 2 19 91 7690 BRACKET REED SWITCH 2 20 08 6308 REED SWITCH 2 21 10 8105 THERMOSTAT CONDENSER 3500 ONLY 2 22 10 3739 REDUCER 1 2 IPS X 3 8 IPS 2 23 10 4586 NUT SEALER 1 2 IPS 4 24 10 9175 RELAY SOCKET 4 25 98 3511 CONTROL PANEL ASSY 1 26 91 7697 BAFFLE RACK SLIDE 2 27 91 5700 RACK WIRE 4 28 91 6493 DOOR ASSY 2...

Page 14: ...JULY 30 2014 14 3500 SERIES CONVECTION STEAMERS CABINET ASSEMBLY ...

Page 15: ...PANEL ASSEMBLY REF PART DESCRIPTION QTY 1 98 3504 CONTROL PANEL 1 2 98 3507 ARTWORK CONTROL PANEL 1 3 08 6464 60 MIN TIMER 2 4 08 6541 TERMINAL STRIP 2 5 91 6471 BRACKET TERMINAL STRIP 2 6 10 7395 BUZZER 2 7 08 3826 KNOB TIMER 2 8 10 5052 LIGHT RED ON OFF 2 ...

Page 16: ... ONLY 2 3 08 4864 HOSE BARB 90O 1 8 IPS 3500 ONLY 3 4 08 5009 TEE 1 8 IPS x 1 4 ID HOSE 3500 ONLY 1 98 4129 BRAIDED HOSE 1 4 x 42 LG W FITTINGS STAINLESS STEEL 98 4136 BRASS TEE FLAREL 1 8 NPT 98 4139 BRASS ELBOW FLARE 1 8 NOT 98 4140 BRAIDED HOSE 1 4 x 4 LG W FITTINGS STAINLESS STEEL FROM BOILER TO CONDENSTER VALVES 3500 ST 10 TO INTERCONNECT BOTH VALVES ...

Page 17: ... 5 10 3539 Bushing 1 2 x 1 4 Hex 1 6 08 5438 Tee Brass 1 x 1 2 x 1 1 7 08 1207 Hose Fitting 1 NPT 1 8 15 7208 Braided Stainless Steel Hose 2 1 2 1 9 08 4864 Hose Barb 90o 1 8 IPS 2 10 08 1206 Hose Clamp 2 11 08 7923 Tee 1 8 NPT 1 12 08 4890 Hose Coupler 1 8 IPS x 1 4 ID 2 13 91 6491 Grommet 1 14 08 4866 Spray Nozzle 3500 ONLY 1 15 08 4821 Condenser Solenoid 3500 ONLY 2 16 91 7640 Condenser Bracket...

Page 18: ...ONVECTION STEAMERS POWER PLUS REF PART DESCRIPTION QTY 1 10 9175 RELAY SOCKET ONE PER COMPARTMENT 2 2 10 9174 CUBE RELAY ONE PER COMPARTMENT 2 3 08 6502 PRESSURE SWITCH 2 4 98 4206 POWER SUPPLY 5 VDC 1 5 97 6455 TIME DELAY RELAY 2 ...

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