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 4Y 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. Measure resistance between harness 12313483 circuit 323/10C plug (1) circuit 323 pin (3) and ground. 4. Does multimeter read more than 0 ohms? YES NO 4YN 1. Remove jumper wire and install harness 12313482 plug on differential pressure switch. 2. Replace TRANS OIL HI DIFF PRESS indicator assembly (WP 0264 00). 3. Verify no faults found. 5Y 1. Remove harness 12313482 plug (1) from harness 12313483 jack (2) at carrier bulkhead. 2. Measure resistance between harness 12313482 plug (1) pin J (3) and ground. 3. Does multimeter read 0 ohms? YES NO 5YN 1. Install harness 12313483 circuit 323/ 10C plug on TRANS OIL HI DIFF PRESS indicator jack. 2. Remove jumper wire and replace harness 12313482 (WP 0297 00). 3. Verify no faults found. 0059 00-3