VEHICLE COMPARTMENT HEATER MALFUNCTIONSContinued

VEHICLE COMPARTMENT HEATER MALFUNCTIONSContinued - TM-9-2350-247-20-1_420

VEHICLE COMPARTMENT HEATER MALFUNCTIONSContinued - TM-9-2350-247-20-1_422

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 3DY 1. Replace heater RUN-OFF-START switch (WP 0472 00). 2. Verify no faults found. EY 1. Remove heater harness plug (1) from heater control jack (2). 2. With RUN-OFF-START switch in START, measure voltage between heater control jack (2) pin A (3) and ground. 3. Does multimeter read 17 volts or more? YES NO GO TO FY (PAGE 0085 00-8) 2EY 1. Install heater harness on heater control box jack. 2. Remove heater harness circuit 402 plug (1) from heater fuel pump jack (2). 3. With RUN-OFF-START switch in START, measure voltage between heater harness plug pin (1) and ground. 4. Does multimeter read 17 volts or more? YES NO 2EYN 1. Faulty control box to fuel pump harness circuit 402. 2. Notify your supervisor. 0085 00-7

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