TM-9-2350-277-20-1 Unit Maintenance Manual Volume 1 M113A3 M577A3 M1064A3 M1068A3 M58 Download
Page 474 of 858
TM 9-2350-277-20-1 NO POWER FROM DC POWER EXTENSION BOX A9 (ALL EXCEPT JACK J23) (M1068A3 ONLY)—Continued 0095 00 AY 1. Turn MASTER SWITCH to OFF. 2. Remove ten screws (1) and lockwashers (2), and lower faceplate (3). Discard lockwashers. 3. Turn ON DC LEFT OUTLETS circuit breakers CB12 (4) and CB13 (5). 4. Measure resistance between terminals 1 and 2 of circuit breakers CB12 (4) and CB13 (5). 5. Does multimeter read 0 ohms for each measurement? YES NO AYN 1. Resistance in CB12 and CB13 should be 0 ohms. If any resistance is present, replace that CB (WP 0828 00). 2. Verify no faults found. A2Y 1. Raise faceplate and secure to Power Control Enclosure with ten new lockwashers and screws. 2. Go to: Power Control Enclosure A1 DC Input/Output Inoperative (M1068A3 Only) (WP 0090 00). 0095 00-4