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 NO DC OUTPUT FROM DC POWER SUPPLY (M1068A3 ONLY)—Continued 0009 00 brY 1. Connect Special Purpose Power Cable (1) to external AC power and to J24 (2) on Power Control Enclosure (3). 2. Remove circuit 31D (4) and circuit 32D (5) from power supply PS2 (6) and power supply PS1 (7). 3. Apply external AC power and set AC MAIN and DC POWER SUPPLY switches to ON (TM 11-7010-256-12&P). 4. Measure voltage between OUTPUT (+) terminal (8) and OUTPUT (-) terminal (9) on power supply PS1 (7). 5. Does multimeter read 26.4 volts DC or more? YES NO brYN 1. Replace power supply PS1 (WP 0090 00). 2. Verify no faults found. 0009 00-3