COOLANT HEATER MALFUNCTIONSContinued - TM-9-2350-277-20-1

COOLANT HEATER MALFUNCTIONSContinued - TM-9-2350-277-20-1_424

COOLANT HEATER MALFUNCTIONSContinued - TM-9-2350-277-20-1_426

TM-9-2350-277-20-1 Hull Powerpack Drive Controls Tracks Suspension and Associated Components Carrier Ammunition Tracked Manual
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TM 9-2350-277-20-1 COOLANT HEATER MALFUNCTIONS—Continued 0089 00 F2Y 1. Measure voltage between harness 10943152 circuit 402B (1) on terminal strip (2) and ground (switch on start). 2. Does multimeter read less than 17 volts? YES NO F2YN 1. Replace harness 10943152 (WP 0382 00). 2. Verify no faults found. F3Y 1. Faulty heater wiring. Beyond unit maintenance repair. 2. Notify supervisor. GY 1. Is heater exhaust cold? YES NO GYN 1. Replace flame detector switch (WP 0734 00). 2. Verify no faults found. G2Y 1. Loosen fuel inlet line (1) to heater with heater switch on start. 2. Does fuel fail to flow out of loosened fitting? YES NO G2YN 1. Replace heater (WP 0728 00). 2. Verify no faults found. 0089 00-9

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