TM-9-2350-277-20-1 Unit Maintenance Manual Volume 1 M113A3 M577A3 M1064A3 M1068A3 M58 Download
Page 549 of 858
TM 9-2350-277-20-1 NO POWER TO AC CIRCUITS (M1068A3 ONLY)—Continued 0107 00 8Y 1. Reconnect leads 19A and 19B to S1 position 2. 2. Set BLACKOUT ENABLE switch to upward position. 3. Measure resistance between terminal 2 (1) and terminal 3 (2) of BLACKOUT ENABLE switch S1 (3). 4. Does multimeter read infinite ohms? YES NO 8YN 1. Faulty relay K5. Beyond unit maintenance repair. 2. Notify supervisor. 0107 00-9