TM-9-2350-261-20-1 Unit Maintenance Manual Volume 1 M113A2 M577A2 M1064 M1068 M1059 M901A1 Download
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TM 9-2350-261-20-1 PERSONNEL HEATER MALFUNCTIONS — Continued 0069 00 E5Y 1. Replace personnel heater fuel pump (WP 0600 00, WP 0601 00, or WP 0602 00). 2. Verify no faults found. FY 1. Remove heater harness plug (1) from heater control jack (2). 2. Measure voltage between heater control jack (2) pin A (3) and ground. With HEATER SWITCH on START. 3. Does multimeter read 17 volts or more? FYN GO TO GY (PAGE 0069 00-10) F2Y 1. Install heater harness on heater control box jack. 2. Remove heater harness circuit 402 plug (1) from heater fuel pump jack (2). 3. Measure voltage between heater harness plug pin (1) and ground. With HEATER SWITCH on START. 4. Does multimeter read 17 volts or more? F2YN 1. Faulty control box to heater harness circuit 402. 2. Notify your supervisor. 0069 00-9