NO POWER TO AC CIRCUITS (M1068A3 ONLY)Continued

NO POWER TO AC CIRCUITS (M1068A3 ONLY)Continued - TM-9-2350-277-20-1_537

NO POWER TO AC CIRCUITS (M1068A3 ONLY)Continued - TM-9-2350-277-20-1_539

TM-9-2350-277-20-1 Hull Powerpack Drive Controls Tracks Suspension and Associated Components Carrier Ammunition Tracked Manual
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TM 9-2350-277-20-1 NO POWER TO AC CIRCUITS (M1068A3 ONLY)—Continued 0107 00 6Y 1. Measure resistance of circuit 19B from terminal 2 (1) of switch S1 (2) and terminal A2 (3) of relay K5 (4). 2. Measure resistance of circuit 20A from terminal 3 (5) of switch S1 (2) and terminal A3 (6) of relay K5 (4). 3. Does multimeter read 0 ohms? YES NO 6YN 1. Faulty leads 19B and/or lead 20A. Beyond unit maintenance repair. 2. Notify supervisor. 7Y 1. Remove leads 19A and 19B from switch S1 position 2. 2. Measure resistance with switch S1 (1) in both up and down positions. 3. Does multimeter read 0 ohms when switch is down and infinite ohms when switch is up? YES NO 7YN 1. Replace switch S1 (WP 0828 00). 2. Verify no faults found. 0107 00-8

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