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 A5Y WARNING Make sure ALL AC external and internal power is OFF. 1. Install front light lead 38B (1) on cable W28 P2 (2) and cable to plug P1 of adapter (3). 2. Install rear domelight lead 38B (4) on plug P3 of adapter (3). 3. Remove ten screws (5) and lockwashers (6), and lower faceplate (7). Discard lockwashers. 4. Lift relay bail (8) and remove XK2 relay (9) from relay socket (10). 5. Measure resistance between jack J29 center pin (11) and pin X1 (12) of relay XK5 (13). 6. Does multimeter read 0 ohms? YES NO A5YN 1. Faulty inside lead 34A of Power Control Enclosure. Beyond unit maintenance repair. 2. Notify Supervisor. 0101 00-5