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TM-9-2350-247-20-1 Unit Maintenance Manual Volume 1 M548A1 M548A3 Tracked Cargo Carrier Download

Page 416 of 870

TM 9-2350-247-20-1 FRONT BILGE PUMP AND/OR LIGHT DOES NOT OPERATE—Continued 0084 00 3BY 1. Turn MASTER SWITCH OFF. 2. Remove plug 450A (1) and plug 450 (2) from bilge pump circuit breaker (3). 3. Measure resistance between circuit breaker jacks. 4. Does multimeter read 0 ohms? YES NO 3BYN 1. Replace bilge pump circuit breaker (WP 0268 00). 2. Verify no faults found. 4BY 1. Measure resistance between plug 450C to 450C lead end at bus bar. 2. Does multimeter read 0 ohms? YES NO 4BYN 1. Replace/repair circuit 450C lead (WP 0294 00). 2. Verify no faults found. 0084 00-4