TM-9-2350-277-20-1 Unit Maintenance Manual Volume 1 M113A3 M577A3 M1064A3 M1068A3 M58 Download
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TM 9-2350-277-20-1 NO POWER TO DC CIRCUITS (M1068A3 ONLY)—Continued 0106 00 T 1. Remove all external power from SICPS system (see your -10 and TM 11-7010-256-12&P). 2. Remove ten screws (1) and lockwashers (2), and lower faceplate (3) of Power Control Enclosure (4). Discard lockwashers. 3. Remove twelve screws (5), lockwashers (6), and cover (7) from front of Power Control Enclosure (4). Discard lockwashers. 4. Set MASTER SWITCH to ON. 5. Measure voltage between relay K6 (8) terminal 2 and Power Control Enclosure jack J25 (9) negative terminal. 6. Does multimeter read 22 volts DC or more? YES NO TN 1. Go to: Power Enclosure A1 DC Input/Output Inoperative (M1068A3 Only) (WP 0090 00). 0106 00-2