TM-9-2350-277-20-1 Unit Maintenance Manual Volume 1 M113A3 M577A3 M1064A3 M1068A3 M58 Download
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TM 9-2350-277-20-1 LEFT REAR UTILITY OUTLET/BLOWER DOES NOT WORK (M577A3 AND M1068A3 ONLY)—Continued 0043 00 5Y 1. Turn MASTER SWITCH to OFF. 2. Faulty circuit 10 lead from bus bar to circuit breaker. Beyond unit maintenance repair. 3. Install master switch panel on distribution box (WP 0261 00). 4. Notify supervisor. BY 1. Turn MASTER SWITCH to OFF. 2. Remove eight nuts (1), washers (2), and screws (3) from master switch panel (4) and distribution box (5). Pull panel away from distribution box. 3. Remove circuit 37B plug (6) from circuit breaker jack (7) and two circuit 10 plugs (8) and (9) from circuit breaker jacks (10) and (11). 4. Measure resistance between circuit breaker contacts. 5. Does multimeter read 0 ohms? YES NO BYN 1. Replace circuit breaker (WP 0280 00). 2. Verify no faults found. B2Y 1. Faulty circuit 10 from bus bar to circuit breaker. Beyond unit maintenance repair. 2. Install master switch panel on distribution box (WP 0261 00). 3. Notify supervisor. 0043 00-3