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 FRONT BILGE PUMP AND/OR LIGHT DOES NOT OPERATE—Continued 0084 00 5BY 1. Partially remove instrument panel (WP 0256 00). 2. Remove plug 450B (1) and plug 452 (2) from bilge pump switch (3). 3. Measure resistance between bilge pump switch jacks with bilge pump switch on. 4. Does multimeter read 0 ohms? YES NO 5BYN 1. Replace bilge pump switch (WP 0261 00). 2. Verify no faults found. 6BY 1. Repair main harness circuit 450B or 452 (WP 0294 00). 2. Verify no faults found. CY 1. Check if bilge pump has been serviced. 2. Has bilge pump been serviced? YES NO CYN 1. Service bilge pump (see your -10). 2. Verify no faults found. 2CY 1. Inspect bilge pump discharge tubes and hoses. 2. Are bilge pump discharge tubes and hoses damaged? YES NO 2CYN 1. Replace bilge pump (WP 0424 00). 2. Verify no faults found. 0084 00-5