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 B3Y 1. Turn MASTER SWITCH to OFF (see your -10). 2. Remove master switch panel from distribution box (WP 0221 00). Do not disconnect battery negative lead. 3. Remove plug 450 B (1) and plug 450 C (2) from front bilge pump circuit breaker (3) or remove plug 450 (4) and plug 450 A (5) from rear bilge pump circuit breaker (6). 4. Measure resistance between circuit breaker jacks. 5. Does multimeter read 0 ohms? B3YN 1. Replace bilge pump circuit breaker (WP 0327 00). 2. Verify no faults found. B4Y 1. Measure resistance between plug 450 A (rear bilge pump) (1) to 450 A lead end at bus bar (2) or plug 450 C (front bilge pump) (3) to 450 C lead end at bus bar (4). 2. Does multimeter read 0 ohms? B4YN 1. Replace circuit 450A (rear bilge pump) or circuit 450C (front bilge pump) lead (WP 0312 00). 2. Verify no faults found. 0067 00-4