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 NO POWER TO AC CIRCUITS (M1068A3 ONLY)—Continued 0107 00 T 1. Turn off all power from SICPS system (see your -10 and TM 11-7010-256-12&P). 2. Remove ten screws (1), lockwashers (2), and lower faceplate (3) of power enclosure (4). Discard lockwashers. 3. Measure resistance of circuit 17B between reversing contactor reverse terminal T1 (5) and circuit breaker CB10 terminal 1 (6). 4. Measure resistance of circuit 17A between terminal T1 and forward terminal T1 (7). 5. Does multimeter read 0 ohms for both readings? YES NO TN 1. Faulty lead 17A and/or lead 17B. Beyond unit maintenance repair. 2. Notify supervisor. 0107 00-2