SMOKE GRENADE LAUNCHER(S) MALFUNCTION (M113A3, M901A3, M981A3, AND M1059A3 ONLY)

SMOKE GRENADE LAUNCHER(S) MALFUNCTION (M113A3, M901A3, M981A3, AND M1059A3 ONLY)Continued - TM-9-2350-277-20-1_246

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 SMOKE GRENADE LAUNCHER(S) MALFUNCTION (M113A3, M901A3, M981A3, AND M1059A3 ONLY) 0045 00 INITIAL SETUP: Maintenance Level Unit Tools and Special Tools General Mechanic’s Tool Kit (WP 0926 00, Item 65) Multimeter (WP 0926 00, Item 30) Jumper wire Personnel Required Unit Mechanic Helper (H) References See your -10 Equipment Condition Engine stopped (see your -10) Carrier blocked (see your -10) Trim vane lowered (see your -10) Power plant access door open (see your -10) Harness 12313235 removed from launcher arming/firing unit (WP 0366 00) T 1. Does either launcher operate properly? YES NO GO TO BY (PAGE 0045 00-3) Y 1. Remove harness 12313237 launcher plug (1) from failing right launcher. 2. Remove harness 12313237 circuit 7 (2) and 799 plugs (3) from harness 12313236 (right launcher) or harness 12313235 (left launcher) jacks (4). 3. Measure resistance between harness 12313237 launcher plug (1) pin A (5) and plug 7 (3) circuit. 4. Measure resistance between harness 12313237 launcher plug (1) pin C (6) and circuit 7 plug (2). 5. Does multimeter read 0 ohms for both measurements? YES NO YN 1. Replace harness 12313237 for left or right grenade launcher (WP 0366 00). 2. Verify no faults found. 0045 00-1

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