TM-9-2350-247-20-1 Unit Maintenance Manual Volume 1 M548A1 M548A3 Tracked Cargo Carrier Download
Page 327 of 870
TM 9-2350-247-20-1 HI TEMP DIFF OIL INDICATOR MALFUNCTIONS (M548A1)—Continued 0058 00 4CY 1. Repair power harness circuit 27K (WP 0294 00). 2. Verify no faults found. DY 1. Turn MASTER POWER SWITCH OFF. 2. Remove circuit 328/27K plug (1) from HI TEMP DIFF OIL indicator (2). 3. Measure resistance between circuit 328 and ground. 4. Does multimeter read more than 0 ohms? YES NO DYN 1. Remove jumper wire. 2. Install plug on differential oil high temperature thermostatic switch in engine compartment. 3. Replace HI TEMP DIFF OIL indicator assembly (WP 0264 00). 4. Verify no faults found. 2DY 1. Remove engine harness plug (1) from power harness jack (2) at battery box. 2. Measure resistance between engine harness plug (1) pin A (3) and ground. 3. Does multimeter read 0 ohms? YES NO 2DYN 1. Remove jumper wire. 2. Install plug on differential oil high temperature thermostatic switch in engine compartment. 3. Install indicator bulb, gaskets, and lens. 4. Repair engine harness circuit 328 (WP 0294 00). 5. Verify no faults found. 0058 00-5