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 SMOKE GRENADE LAUNCHER(S) MALFUNCTION (M113A3 AND M1059A3 ONLY)—Continued 0045 00 5Y 1. Carrier wiring is OK. Faulty launcher or arming/firing unit. Beyond unit maintenance repair. 2. Notify supervisor. BY 1. Turn MASTER SWITCH to ON. 2. Measure voltage between harness 12313235 firing/arming unit plug (1) pin A (2) and B (3). 3. Does multimeter read at least 17 volts? YES NO BYN 1. Replace harness 12313235 (WP 0366 00). 2. Verify no faults found. B2Y 1. Faulty arming/firing unit. Beyond unit maintenance repair. 2. Notify supervisor. 0045 00-3/4 blank Change 2