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

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

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-l 1. 2. 3. Remove rear main harness circuit 400A plug (1) from control box jack (2). Measure voltage between rear main harness circuit 400A plug (1) pin and ground. Does multimeter read more than 17 volts? Y ES 1. 2. 3. Remove heater control box (page Measure resistance between lead breaker terminals 16 (1) and 17 Does multimeter read 0 ohms? 32-42). ends from circuit (2). 1. Repair rear main harness circuit 400 between master switch and heater control box (page 14-3). 2. Verify no faults found. 1. Replace heater circuit breaker (page 32-42). 2. Verify no faults found. GO TO NEXT PAGE 3-219

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