COOLANT HEATER MALFUNCTIONS CONT. - TM-9-2350-261-20-1

COOLANT HEATER MALFUNCTIONS CONT. - TM-9-2350-261-20-1_429

COOLANT HEATER MALFUNCTIONS CONT. - TM-9-2350-261-20-1_431

TM-9-2350-261-20-1 Carrier Personnel Full Tracked Armored M113A2 2350-01-068-4077 Carrier Command Post Light Tracked M577A2 2350-01-068-4089 Manual
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TM 9-2350-261-20-1 1. Install heater harness plug on heater control box jack. 2. Remove heater harness plug (1) from heater jack (2). 3. Measure voltage between plug (1) pin C (3) and ground. With HEATER switch on START. 4. Does multimeter read at least 17 volts?. 1. Replace coolant heater (page 32-49). 2. Verify no faults found. 1. Remove heater control box (page 32-42). 2. Measure resistance between lead ends from circuit breaker terminal 17 (1) and ON/OFF/START switch terminal 15 (2) lead ends. 3. Does multimeter read 0 ohms? 1. Faulty coolant heater harness. 2. Notify your supervisor. 1. Repair faulty lead (page 14-3). 2. Verify no faults found. GO TO NEXT 3-221

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