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ILLUSTRATED PARTS LIST

Fig. 9 4200 Compact Convection Oven

ITEM NO. PART NO. DESCRIPTION

99-5826

CONTROL PANEL K-MART ONLY

09-5268

THERMOSTAT KNOB

09-6440

RED PILOT 250V

09-7231

SWITCH DPDT 250V, 10 AMP, RED, ON-OFF SWITCH

09-7244

SWITCH DPDT 250V, 10 AMP, BLUE, BLOWER SWITCH

09-7235

SWITCH DPDT 250V, 10 AMP, WHITE, COOL DOWN SWITCH

09-7231

SWITCH DPDT 250V, 10 AMP, RED, HEATING ELEMENTS ONLY

08-5839

THERMOSTAT DECAL

99-5830

TIMER DECAL

99-6136

SIDE GASKET

99-6101

TOP AND BOTTOM GASKET

09-5269

BLOWER WHEEL

09-7259

THERMOCOUPLE AND WASHER

09-7241

HEATING ELEMENT, OUTER, 280V-2500W, 220V-2800W (EXPORT)

14A

09-7242

HEATING ELEMENT, OUTER, 230V-2571W, 240V-2800W

097336

HEATING ELEMENT, INNER, 280V-2500W, 220V-2800W

15A

09-7337

HEATING ELEMENT, INNER, 230V-2571W, 240V-2800W

99-6102

HEATING ELEMENT BRACKET

99-6130

BAFFLE SUPPORT

99-5054

BOTTOM TRIM

99-5055

TOP TRIM

99-6107

OVEN INTERIOR COVER PLATE

09-5267

60 MINUTE TIMER KNOB

08-6351

HI-LIMIT THERMOSTAT

Summary of Contents for 4200

Page 1: ... OVEN MODELS 4200 4292 FORM NO S 2374 REV A 02 07 An Employee Owned Company PRINTED IN U S A 35 Garvey Street Everett MA 02149 Tel 617 387 47100 Fax 1 800 227 2659 Ex MA 617 387 4456 MA and Overseas E mail CUSTSERV mfii com Website www mfii com ...

Page 2: ... REMOVAL 7 GASKET REPLACEMENT 7 BLOWER WHEEL REMOVAL REPLACEMENT 7 MOTOR REMOVAL REPLACEMENT 7 SWITCH REMOVAL REPLACEMENT 8 CONTACTOR REMOVAL REPLACEMENT 8 THERMOSTAT REMOVAL REPLACEMENT 8 HEATER ELEMENT REMOVAL REPLACEMENT 8 DOOR INTERLOCK SWITCH BRACKET OLD STYLE REMOVAL REPLACEMENT 8 NEW STYLE INTERLOCK SWITCH REMOVAL REPLACEMENT PARTS 9 HI LIMIT REMOVAL REPLACEMENT 9 TROUBLE SHOOTING GENERAL 1...

Page 3: ...shelf or stacked on top of another Model 4200 with the bottom unit on 18 457mm stainless steel legs with shelf BASIC FUNCTIONING The Model 4200 becomes operational when the power switch is placed in the ON position door is closed and thermostat set Contrac tors located in the control section close the circuit to heating elements located at the right of the cooking chamber When the chamber reaches ...

Page 4: ... metal screws Single Oven on 4 Legs Fasten legs to the weld nuts located on bot tom panel of oven The hex foot on the leg is adjustable Single Oven on 28 Legs with Shelf Insert legs Fig 1 No 3 through holes in shelf Fig 1 No 1 Do not tighten set screws in corners of shelf Screw leg tops Fig 1 No 2 onto legs Fig 1 No 3 Insert leg tops Fig 1 No 2 through holes in angle iron frame Fig 1 No 4 into wel...

Page 5: ...m trim just below control panel before connecting electrical supply to oven Make sure electrical supply is the same voltage phase and frequency called for on date plate All ovens are shipped three phase and may be converted to single phase as per alternate single phase wiring diagram Feed supply through opening in rear of oven Fig 2 1 No 2 and connect sup ply wires to terminal block behind control...

Page 6: ...F Allow oven to preheat to 350 F Observe temperature with digital ther mometer If temperature goes above 350 F turn set pot labelled HI on circuit board counter clockwise turn should be sufficient Allow time for oven temperature to drop then recheck temperature If temperature is below 350 F turn set pot labelled HI on circuit board clockwise 5 F turn should be sufficient 1 2 3 4 5 1 2 3 4 5 6 Repe...

Page 7: ...5 INSTALLATION ...

Page 8: ... PRE HEATING Set thermostat to desired temperature set blower switch to desired speed and turn on power switch Blower wheel should ro tate clockwise when viewed from front of oven Low speed is suggested for fragile products ie those levened by beaten egg whites such as souffles angel food cake and popovers Indicator light will go out when desired tem perature is reached Oven will pre heat to 350 F...

Page 9: ...bottom metal gaskets on front off oven liner and screw in place Replace left and right side metal gaskets and screw in place BLOWER WHEEL REMOVAL Shut off main power supply Remove baffle by placing hard under back end and rotating baffle up and out Loosen set screws located in the center of the blower wheel on the wheel hub Pull blower wheel off of shaft BLOWER WHEEL REPLACEMENT Remove metal burrs...

Page 10: ...en compartment and remove Remove circuit board from bracket 1 2 1 2 3 4 1 2 3 1 2 3 4 1 2 3 1 2 3 4 5 6 7 8 THERMOSTAT REPLACEMENT Follow Thermostat Removal in reverse order HEATER ELEMENT REMOVAL Make sure power supply to oven is off Remove right side panel Remove element terminal cover above motor and disconnect wires Remove element plate and insulation spacer Remove racks and rack supports from...

Page 11: ...val in reverse order 1 2 3 4 HI LIMIT REMOVAL Make sure power supply to oven is off Open oven door Remove all shelves and rack supports Remove baffle from right sire Unscrew fasteners from Hi Limit on liner wall and pull out Remove wire leads from Hi Limit HI LIMIT REPLACEMENT Follow Hi Limit Removal in reverse order 1 2 3 4 5 6 Fig 7 NEW STYLE INTERLOCK LOCATION ITEM PART NO DESCRIPTION 1 08 6308...

Page 12: ...circuit breakers for power and place in ON position Place in ON position Close door Test each component and connecting wire replace as required a b c d 2 Oven will not heat with thermostat at maximum setting fan operating Faulty thermostat wiring Thermostat contacts or coil faulty a b Test thermostat and connecting wiring Replace as required Replace thermostat a b 3 Indicator light fails to light ...

Page 13: ...FORGE AUTHORIZED SERVICER SERVICE PERFORMED BY OTHERS WILL VOID WARRANTY MARKET FORGE IS NOT RESPONSIBLE FOR REPAIRS MADE BY OTHER THAN AUTHORIZED SERVICE AGENTS WIRING All the electrical components of the model 4200 ON OFF switch door switch thermo stat control contactors fan motor and indi cator light are connected to each other by wiring shown on page 5 If all the electrical components are oper...

Page 14: ...BLE SHOOTING ELECTRICAL CONNECTIONS CONTROL BOARD Fig 8 NOTE New style board CANNOT BE CALIBRATED Check thermocouple for fault in tem perature control If thermocouple is good replace temperature control board ...

Page 15: ...is keyed to the ac companying part list Each parts list contains the figure item number the Market Forge part number and an abbreviated description ORDERING INFORMATION Orders for repair parts should be directed to the nearest authorized parts distributor For a current Market Forge Authorized Parts and Service Distributor list go to our web site or contact Market Forge Industries Inc Toll Free 866...

Page 16: ...Y 8 08 5839 THERMOSTAT DECAL 9 99 5830 TIMER DECAL 10 99 6136 SIDE GASKET 11 99 6101 TOP AND BOTTOM GASKET 12 09 5269 BLOWER WHEEL 13 09 7259 THERMOCOUPLE AND WASHER 14 09 7241 HEATING ELEMENT OUTER 280V 2500W 220V 2800W EXPORT 14A 09 7242 HEATING ELEMENT OUTER 230V 2571W 240V 2800W 15 097336 HEATING ELEMENT INNER 280V 2500W 220V 2800W 15A 09 7337 HEATING ELEMENT INNER 230V 2571W 240V 2800W 16 99 ...

Page 17: ... 60 MINUTE TIMER 240V 50 60 HZ 2 REF REMOTE POTENTIOMETER PART OF THERMOSTAT 08 6355 3 10 6649 TERMINAL BLOCK 4 10 5551 GROUND LUG 5 99 5822 CONTROL CIRCUIT WIRE HARNESS 6 10 5476 CONTACTOR 280V 40 AMP 50 60 HZ 6A 10 5943 CONTACTOR 240V 40 AMP 50 60 HZ 7 08 6355 TEMPERATURE CONTROLLER 208 OR 240V ...

Page 18: ...MPERATURE CONTROLLER 208 240V 3 REF TERMINAL BLOCK 4 10 6874 S P S T RELAY FOR REED SWITCH 240V 5 REF CONTACTOR 208V 40 AMP 50 60 HZ 6 99 6108 HEATING ELEMENT COVER PLATE 6A 99 6109 HEATING ELEMENT COVER GASKET 7 99 6140 ASSEMBLY BLOWER MOTOR AND BRACKET 8 09 6516 SIREN AUDIO ALERT 120V 8A 09 6599 6 8 K CERAMIC RESISTOR FOR ALTER NOT SHOWN ...

Page 19: ...ARTS LIST Fig 12 Fig 12 Door Assembly ITEM NO PART NO DESCRIPTION 1 08 5205 DOOR HANDLE ASSEMBLY 2 REF CATCH PART OF 08 5205 3 99 6115 SPACER CATCH 4 99 6170 DOOR ASSEMBLY 5 99 6153 HINGE PIN 6 99 6154 HINGE PIN PLATE ...

Page 20: ...lting top of door outward while lifting door off of lower hinge pin Remove catch plate assembly from face of oven Remove four round head machine screws from opposite side of oven face Re install on other side of oven face the four round head machine screws removed in step 5 Re locate and install catch plate assembly at new location Hold door in new position and allow hinge pin to slide out Tighten...

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