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 DOME LIGHTS MALFUNCTION (M577A2 ONLY) — Continued 0042 00 BY 1. Turn MASTER SWITCH to OFF (see your -10). 2. Remove eight nuts (1), washers (2), and screws (3) from master switch panel (4). Pull panel away from distribution box (5). 3. Remove circuit 10 plugs (6) from circuit breaker jacks (7). 4. Measure resistance between circuit breaker jacks (7). 5. Does multimeter read 0 ohm? BYN 1. Replace circuit breaker (WP 0280 00). 2. Verify no faults found. B2Y 1. Repair circuit 10 lead assembly from the circuit breaker to the front dome light switch (WP 0323 00). 2. Verify no faults found. CY 1. Check to see if ramp door switch has been adjusted. 2. Has the ramp door switch been adjusted? CYN 1. Adjust ramp door switch (WP 0283 00). 2. Verify no faults found. C2Y 1. Replace ramp door switch (WP 0283 00). 2. Verify no faults found. 0042 00-4