TM-9-2350-261-20-1 Unit Maintenance Manual Volume 1 M113A2 M577A2 M1064 M1068 M1059 M901A1 Download
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TM 9-2350-261-20-1 FRONT AND/OR REAR BILGE PUMP(S) AND/OR LIGHTS DO NOT OPERATE — Continued 0067 00 B5Y 1. Remove instrument panel for access (WP 0238 00). 2. Remove plug 450 B (1) and plug 452 A (2) (front bilge pump) or plug 450 (3) and 451 A (4) (rear bilge pump) from bilge pump switch (5). 3. Measure resistance between bilge pump switch jacks with bilge pump switch on. 4. Does multimeter read 0 ohms? B5YN 1. Install master switch panel on distribution box (WP 0221 00). 2. Replace bilge pump switch (WP 0241 00). 3. Verify no faults found. B6Y 1. Repair rear main harness circuit 450 or 451A, or front main harness circuit 450B or 452A (WP 0312 00). 2. Install master switch panel on distribution box (WP 0221 00). 3. Verify no faults found. CY 1. Check to see if bilge pumps have been serviced. 2. Have bilge pumps been serviced? CYN 1. Service bilge pump assemblies (see your -10). 2. Verify no faults found. C2Y 1. Inspect bilge pump pipes. 2. Are bilge pump pipes damaged? C2YN 1. Replace bilge pump (WP 0325 00) (rear) or (WP 0322 00) (front). 2. Verify no faults found. 0067 00-5