TM-9-2350-277-34 Direct and General Maintenance Manual M113A3 M577A3 M1064A3 M1068A3 M58 Download
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TM 9-2350-277-34 VEHICLE WILL NOT ACCEPT EXTERNAL AC POWER (M1068A3 ONLY)—Continued 0008 00 10Y 1. Set external source of AC power to OFF (TM 11-7010-256-12&P). 2. Undo the velcro strap (1) securing the safety cover (2) to the inside of the faceplate (3). Pull the safety cover (2) open to access the circuit breakers. 3. Measure resistance between K1 relay terminal L1 (4) and circuit breaker CB1 terminal 1 (5). 4. Does multimeter read 0 ohms? YES NO 10YN 1. Replace lead 7A (WP 0093 00) and See your -20. 2. Verify no faults found. 0008 00-12