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 C2Y 1. Install heater harness plug on heater control box jack. 2. Remove heater harness plug (1) from heater jack (2). 3. Measure voltage between heater harness (1) pin C (3) and ground, with HEATER SWITCH on START. 4. Does multimeter read 17 volts or more? C2YN 1. Faulty heater wiring harness. 2. Notify your supervisor. C3Y 1. Faulty personnel heater. 2. Notify your supervisor. DY 1. Remove heater control box (WP 0613 00). 2. Measure resistance between lead ends from circuit breaker terminal 17 (1) and ON/OFF/START switch terminal 15 (2). 3. Does multimeter read 0 ohms? DYN 1. Repair faulty lead (WP 0312 00). 2. Verify no faults found. 0069 00-6