TM-9-2350-277-20-1

CARRIER M113A3, M577A3, M1059A3, M1064A3, M1068A3 AND M58

TECHNICAL MANUAL; UNIT MAINTENANCE MANUAL VOLUME 1 OF 6

TM-9-2350-277-20-1 - Page 276 of 855

TM 9-2350-277-20-1

SMOKE GRENADE LAUNCHER(S) MALFUNCTION (M113A3 AND

M1059A3 ONLY) — Continued

0045 00

4Y

1.

Remove harness 12313236 plug (1) from harness 12313235

jack (2) at vehicle bulkhead.

2.

Measure resistance between harness 12313236 plug

(1)pinsA(3)andB(4)

.

3.

Does multimeter read continuity?

4YN

1.

Replace harness 12313236

(WP 0366 00).

2.

Verify no faults found.

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. See TM 9-2350-277-10.

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?

BYN

1.

Replace harness 12313235

(WP 0366 00).

2.

Verify no faults found.

004500-3

Change 5