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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 BATTERIES DISCHARGE WITH EXTERNAL AC POWER APPLIED (M1068A3 ONLY)—Continued 0007 00 Y 1. Remove circuit 32D (1) and circuit 31D (2) from power supply PS1 (3) and power supply PS2 (4). 2. Connect Special Purpose Power Cable (5) to external AC power and to J24 (6) on Power Control Enclosure. 3. Set AC MAIN switch and DC POWER SUPPLY switches to ON (see TM 11-7010-256-12&P). 4. Measure voltage between OUTPUT (+) terminal (7) and OUTPUT (-) terminal (8) on power supply PS1 (3). 5. Does multimeter read 26 volts DC or more? YES NO YN 1. Replace power supply PS1 (WP 0090 00). 2. Verify no faults found. 0007 00-3