TM-9-2350-261-20-1 Unit Maintenance Manual Volume 1 M113A2 M577A2 M1064 M1068 M1059 M901A1 Download
Page 399 of 1236
TM 9-2350-261-20-1 POWER CONTROL ENCLOSURE A1 DC INPUT/OUTPUT INOPERATIVE (M1068 ONLY) — Continued 0071 00 B2Y 1. Set MASTER SWITCH to OFF (see your -10). 2. Install cable W38 plug P7 (1) on power control enclosure jack J28 (2). 3. Remove ten screws (3) and lockwashers (4) and lower the faceplate (5). Discard lockwashers. 4. Set MASTER SWITCH to ON (see your -10). 5. Measure voltage between terminal X1 (6) of relay K6 (7) and ground. 6. Does multimeter read 22 volts DC or more? B2YN 1. Faulty circuit 44A in power control enclosure. 2. Notify your supervisor. 0071 00-7