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 IN BLACKOUT MODE, FLUORESCENT LIGHTS OPERATE INCORRECTLY (M1068A3 ONLY)—Continued 0101 00 T 1. Disconnect cable W28, plug P2 (1) from light lead (2). 2. Ensure ramp door is open or down. Set MASTER SWITCH to ON (see your -10). 3. Turn on dome lights from either the front dome light switch (on master switch panel) or at the rear dome light switch near the ramp. To do this, the blackout-bypass switch must be OFF, the ramp up, and the rear door closed. 4. Measure voltage between plug P2 (1) and ground. 5. Does multimeter read 22 volts DC or more? YES NO GO TO AY (PAGE 0101 00-3) Y 1. Turn MASTER SWITCH to OFF (see your -10). 2. Have light bulbs been replaced? YES NO YN 1. Replace light bulbs (WP 0312 00). 2. Verify no faults found. 2Y 1. Repair light assembly (WP 0310 00). 2. Verify no faults found. 0101 00-2