TM-9-2350-247-20-1 Unit Maintenance Manual Volume 1 M548A1 M548A3 Tracked Cargo Carrier Download
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TM 9-2350-247-20-1 TRANS OIL HI DIFF PRESS INDICATOR MALFUNCTIONS (M548A3)—Continued 0059 00 CY 1. Turn MASTER SWITCH OFF. 2. Remove harness 12313483 circuit 323/10C plug (1) from TRANS OIL HI DIFF PRESS indicator jack (2) behind instrument panel. 3. Remove harness 12313483 circuit 10 plug (3) from circuit breaker jack (4) under driver’s seat. 4. Measure resistance between harness 12313483 plug (1) circuit 10C pin (5) at instrument panel and circuit 10 plug (3) at circuit breaker under driver’s seat. 5. Does multimeter read 0 ohms? YES NO CYN 1. Faulty harness 12313483 circuit 10C/10. 2. Notify your supervisor. 2CY 1. Turn MASTER SWITCH ON. 2. Measure voltage between circuit breaker (1) jack (2) and ground. 3. Does multimeter read 17 volts or more? YES NO 2CYN 1. Turn MASTER SWITCH OFF. 2. Install harness 12313483 circuit 323/ 10C plug on TRANS OIL HI DIFF PRESS indicator jack. 3. Replace circuit breaker (WP 0267 00). 4. Verify no faults found. 0059 00-6 3CY 1. Turn MASTER SWITCH OFF. 2. Install harness 12313483 circuit 10 plug on circuit breaker under driver’s seat. 3. Replace TRANS OIL HI DIFF PRESS indicator assembly (WP 0264 00). 4. Verify no faults found.