TM-9-2350-261-34 Direct and General Maintenance Manual M113A2 M577A2 M1064 M1068 M1059 M901A1 Download

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TM 9-2350-261-34 VEHICLE BATTERIES DISCHARGE WITH EXTERNAL AC POWER APPLIED (M1068 ONLY) — Continued 0007 00 4Y 1. D isconnect special purpose p ower c able (1) from external AC p ower and from J2 4 (2 ) on power c ontro l en closu re. 2 . Install all circuits (3) o n pow er supp lies P S1 (4) an d PS2 (5 ). 3. R emove 10 screw s (6) and lockwashers (7) and lower faceplate (8) o f p ower c ontrol e n closure. D iscard l ockwashers. 4. Undo velcro strap (9) securing safety cover (10) over the inside of the faceplate (8). Open safety cover (10). 5. Measure resistance between PS1 (+) OUTPUT terminal (11) and DC bus at terminal 1 (12) of circuit breaker CB15 (13). 6. Does multimeter read 0 ohms? 4YN 1. Replace circuit 31E (WP 0086 00 and see your -20). 2. Verify no faults found. 0007 00-5