VEHICLE COMPARTMENT HEATER MALFUNCTIONSContinued

VEHICLE COMPARTMENT HEATER MALFUNCTIONSContinued - TM-9-2350-247-20-1_416

VEHICLE COMPARTMENT HEATER MALFUNCTIONSContinued - TM-9-2350-247-20-1_418

TM-9-2350-247-20-1 Crane (CAB) Components Recovery Vehicle Full Tracked: light Armored M578 (2360-00-439-6242) (EIC:3LA) Manual
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TM 9-2350-247-20-1 VEHICLE COMPARTMENT HEATER MALFUNCTIONS—Continued 0085 00 10Y 1. Listen to heater until blower shuts off. 2. Does blower shut off in less than five minutes? YES NO 10YN 1. Faulty heater flame detector switch. See TM 9-2540-205-24&P. 11Y 1. Heater is operating properly. 2. Verify no faults found. BY 1. Remove heater-on indicator cover lens (1) and bulb (2). 2. Check continuity between bulb center contact and base. 3. Does multimeter indicate continuity? YES NO BYN 1. Replace heater-on bulb (WP 0472 00). 2. Verify no faults found. 2BY 1. Remove main harness circuit 400 plug (1) from control box jack (2). 2. Measure voltage between main harness circuit 400 plug (1) pin and ground. 3. Does multimeter read 17 volts or more? YES NO 2BYN 1. Repair main harness circuit 400 between master switch and heater control box (WP 0294 00). 2. Verify no faults found. 0085 00-3

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