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Lincoln Impinger II - Advantage Series, Service Manual

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Lincoln Impinger II - Advantage Series Service Manual Download Page 35

Impinger II –Advantage Service Manual - Domestic 

35

BLOW UP / OVEN BACK ASSEMBLY 

Summary of Contents for Impinger II - Advantage Series

Page 1: ...R OVENS IMPINGER II ADVANTAGE SERIES Lincoln Foodservice Products LLC 1111 North Hadley Road Fort Wayne Indiana 46804 United States of America Phone 800 374 3004 U S Fax 888 790 8193 Int l Fax 260 436...

Page 2: ...ROUBLESHOOTING GUIDE GAS OVENS 9 TROUBLESHOOTING GUIDE ELECTRIC OVENS 14 REMOVAL INSTALLATION AND ADJUSTMENT 18 PARTS GENERAL 26 BLOW UP GENERAL 27 PARTS CONTROL BOX 1116 000 A 1117 000 A 28 BLOW UP C...

Page 3: ...AC from the transformer 120 VAC is switched by the ignition control to the hot surface ignitor for 45 seconds for the hot surface ignitor warm up The ignitor glows red 24 VAC is switched to the gas va...

Page 4: ...d by air pressure from the main fan through the normally closed oven cavity hi limit thermostat to the electronic temperature control The 1K ohm temperature pot is adjusted to desired temperature The...

Page 5: ...Impinger II Advantage Service Manual Domestic 5 SCHEMATIC 1116 000 A 1117 000 A...

Page 6: ...Impinger II Advantage Service Manual Domestic 6 SCHEMATIC 1130 000 A 1131 000 A...

Page 7: ...Impinger II Advantage Service Manual Domestic 7 SCHEMATIC 1132 000 A 1133 000 A...

Page 8: ...tween switch terminals Cooling Fan 120 VAC should now be at the fan motor If voltage is present check motors for shorts or opens WITH POWER OFF Check for locked rotor No automatic control Incoming Pow...

Page 9: ...hrough the port glass in end of burner tube The ignitor should glow bright red If the ignitor does not heat replace the ignitor Ignition Control After 45 seconds of hot surface ignitor pre heat the ig...

Page 10: ...lace ohm meter test leads on the blue and green pot leads Reading should be 1 K ohms Place meter leads across the blue and purple pot leads and rotate knob from high to low Repeat on green and purple...

Page 11: ...magnet and H S board are not damaged Replace motor as needed Conveyor Check for any mechanical misalignment Also check for worn bearings A conveyor belt that is over tightened will cause excessive be...

Page 12: ...ge is present at terminals 1 2 and 3 on temperature display but the display is not lighted recheck all connections for tightness If temperature display is still not operating replace the temperature d...

Page 13: ...at the fan motor If voltage is present check for opens or shorts WITH POWER OFF Check for locked rotor of the fan motor No automatic control box cooling Incoming Power Supply Check circuit breakers Re...

Page 14: ...tor will not activate replace the contactor Also check each contactor for proper high voltage input and output Heater Elements Check the amp draw on each hot leg for proper load Check the specificatio...

Page 15: ...each lead to ground Check motor brushes From the top of the motor rotate motor shaft to determine if there is a locked rotor or a locked gear box use care so magnet and H S board are not damaged Repl...

Page 16: ...15 VAC Terminals 1 2 and 2 3 should be 1 2 the voltage reading from 1 3 if the above secondary readings are not achieved replace transformer Temperature Display If proper voltage is present at termina...

Page 17: ...assembly is set on the oven back align motor shaft in the center of the hole Set fan assembly on the motor shaft NOTE It is recommended that an anti seize compound be brushed on to the bolts around th...

Page 18: ...d wires and mark for reassembly 4 Remove two 2 screws and remove thermostat 5 Reassemble in reverse order BURNER BLOWER MOTOR REPLACEMENT 1 Shut off power at main breaker 2 Remove control panel top an...

Page 19: ...at 72 F should be 1 134 When using the following chart the temperature at the terminal connections must be noted This temperature is called the Junction Temperature The following chart lists the therm...

Page 20: ...m operation HEAT LIGHT REPLACEMENT 1 Shut off power at main breaker 2 Remove control panel top and front panel 3 Remove two wires from burner light note number and location 4 Grasp body of light assem...

Page 21: ...ectrical plug from the burner cap 6 Remove Temperature Regulation Valve 7 Remove 3 screws holding burner cap to burner tube 8 Pull out on burner cap removing cap and burner venturi 9 The hot surface i...

Page 22: ...to 327 5 Hz 4 Set control knob to 30 minute setting and adjust min pot on conveyor control to 10 9 Hz Recheck at one minute and 30 minutes until proper readings are achieved Seal pots with glyptol or...

Page 23: ...splay and mark wires for reassembly 4 Pry temperature display to remove from mounting tabs this is a pressure fit 5 Reassemble in reverse order CALIBRATION OF TEMPERATURE DISPLAY 1 Place the thermocou...

Page 24: ...ents to be sure they ar the proper replacement 9 Reassemble in reverse order Apply anti seize compound to back bolt threads before reassembly NOTE Be sure the lead terminals are tight If the leads are...

Page 25: ...Impinger II Advantage Service Manual Domestic 25 This page intentionally left blank...

Page 26: ...l see Installation Operations Manual D 370010 Bottom Finger Housing E 369504 Top Finger Housing F Columnating Panel see Installation Operations Manual G 369503 Top Finger Cover H 369511 Oven Top I 369...

Page 27: ...Impinger II Advantage Service Manual Domestic 27 BLOW UP GENERAL...

Page 28: ...urner R 369568 Venturi Natural Gas 369938 Venturi LP Gas S 369552 Hot Surface Ignitor T 369398 Solenoid Valve U 369366 Burner Blower Motor V 369401 Air Shutter Assembly W 370072 Transformer Temperatur...

Page 29: ...Impinger II Advantage Service Manual Domestic 29 BLOW UP CONTROL BOX 1116 000 A 1117 000 A...

Page 30: ...or M 370061 Conveyor Motor Assembly Includes K L N 369131 Thermocouple O 369378 Cooling Fan P 370067 Mercury Contactor 1 Phase 369479 Mercury Contactor 3 Phase Q 370072 Transformer Temperature Display...

Page 31: ...Impinger II Advantage Service Manual Domestic 31 BLOW UP CONTROL BOX 1130 000 A THRU 1133 000 A...

Page 32: ...Sprocket Heavy Duty Conveyor 369978 Set Screw M 369238 Drive Shaft N 369513 Hinge O 369510 Door Assembly Includes N P and Q P 370016 Impinger Nameplate Q 369501 Door Latch Catch R 1123D Door With Wind...

Page 33: ...Impinger II Advantage Service Manual Domestic 33 BLOW UP CONVEYOR DOOR...

Page 34: ...D 369183 Heating Element 208V 369184 Heating Element 240V E 369976 Rear Wall Gas Ovens 369549 Rear Wall Electric Ovens F 369581 Motor Mount G 369539 Motor Gas Ovens 120V 369181 Motor Electric Ovens 2...

Page 35: ...Impinger II Advantage Service Manual Domestic 35 BLOW UP OVEN BACK ASSEMBLY...

Page 36: ...Impinger II Advantage Service Manual Domestic 36...

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