TM 9-2350-277-34VEHICLE BATTERIES DISCHARGE WITH EXTERNAL AC POWER APPLIED (M1068A3ONLY)—Continued0007 00Y1. Remove circuit 32D (1) and circuit 31D (2) from power supplyPS1 (3) and power supply PS2 (4).2. Connect Special Purpose Power Cable (5) to external AC powerand 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) andOUTPUT (-) terminal (8) on power supply PS1 (3).5. Does multimeter read 26 volts DC or more?YESNOYN1. Replace power supply PS1(WP 0090 00).2. Verify no faults found.0007 00-3
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