TM-9-2350-261-20-1 Unit Maintenance Manual Volume 1 M113A2 M577A2 M1064 M1068 M1059 M901A1 Download
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TM 9-2350-261-20-1 SMOKE GRENADE LAUNCHER(S) MALFUNCTION — Continued 0066 00 4Y 1. Install jumper wire between harness jack (1), pins A (2) and B (3) at bulkhead. 2. Measure resistance between harness arming/firing unit plug (4), pins E (5) and F (6). 3. Does multimeter read 0 ohms? 4YN 1. Replace harness (WP 0577 00). 2. Verify no faults found. 5Y 1. Faulty arming/firing unit. 2. Notify your supervisor. 0066 00-3