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 431 of 855

TM 9-2350-277-20-1

PERSONNEL HEATER MALFUNCTIONS — Continued

0086 00

BY

1.

Remove heater indicator cover lens (1) and bulb (2).

2.

Check continuity between bulb center contact and base.

3.

Is there continuity?

BYN

1.

Replace heater bulb (WP 0702 00).

2.

Verify no faults found.

B2Y

1.

Remove harness 12268797 circuit 400 plug (1) from

control box jack (2).

2.

Measure voltage between harness 12268797 circuit 400

plug (1) pin and ground.

3.

Does multimeter read 17 volts or more?

B2YN

1.

Repair harness 12268797 circuit 400

between MASTER SWITCH and

heater control box (WP 0382 00).

2.

Verify no faults found.

008600-4

Change 5