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 432 of 855

TM 9-2350-277-20-1

PERSONNEL HEATER MALFUNCTIONS — Continued

0086 00

B3Y

1.

Remove heater control box (WP 0701 00).

2.

Check continuity between circuit breaker terminals

16 (1) and 17 (2).

3.

Does multimeter read 0 ohms?

B3YN

1.

Replace heater circuit breaker

(WP 0702 00).

2.

Verify no faults found.

B4Y

1.

Check continuity between lead ends, from circuit breaker

terminal 17 (1) to indicator light terminal 3 (2).

2.

Does multimeter read 0 ohms?

B4YN

1.

Repair/replace faulty lead

(WP038200orWP070200)

.

2.

Verify no faults found.

B5Y

1.

Replace indicator light assembly (WP 0702 00).

2.

Verify no faults found.

008600-5

Change 5