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 HI TEMP DIFF OIL INDICATOR MALFUNCTIONS (M548A1)—Continued 0058 00 Y 1. Install indicator bulb, gaskets, and lens. 2. Remove engine harness circuit 328 plug (1) from differential oil high temperature thermostatic switch (2). 3. Turn MASTER SWITCH ON. 4. Is HI TEMP DIFF OIL indicator off? YES NO GO TO BY (PAGE 0058 00-3) 2Y 1. Install a jumper wire between engine harness circuit 328 plug pin and ground. 2. Is HI TEMP DIFF OIL indicator ON? YES NO GO TO CY (PAGE 0058 00-4) 3Y 1. Replace differential oil high temperature thermostatic switch (WP 0285 00). 2. Verify no faults found. 0058 00-2