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 NO POWER FROM DC POWER EXTENSION BOX A9 (ALL EXCEPT JACK J23) — Continued 0076 00 BY 1. Turn MASTER SWITCH to OFF (see your -10). 2. Remove ten screws (1) and lockwashers (2) and lower the faceplate (3). Discard lockwashers. 3. Turn ON DC LEFT OUTLETS circuit breakers CB12 (4) and CB13 (5). 4. Measure resistance between terminals 1 and 2 (6) of circuit breakers CB12 (4) and CB13 (5). 5. Does multimeter read 0 ohms for each measurement? BYN NOTE Resistance in CB12 and CB13 should be 0 ohms. If any resistance is present, replace that CB. 1. Replace circuit breakers CB12 and/or CB13 (WP 0730 00). 2. Verify no faults found. B2Y 1. Raise faceplate (1) and secure to power control enclosure with ten new lockwashers (2) and screws (3). 2. Go to Power Control Enclosure A1 DC Input/Output Inoperative (WP 0071 00). 0076 00-4