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 433 of 855

TM 9-2350-277-20-1

PERSONNEL HEATER MALFUNCTIONS — Continued

0086 00

CY

1.

Remove harness 10942956 plug (1) from heater

control box jack (2).

2.

Measure voltage between heater control box jack (2), pin C

(3)

,andground,withHEATERswitchonSTART

.

3.

Does multimeter read 17 volts or more?

CYN

GO TO

DY

(PAGE 0086 00-7)

C2Y

1.

Install harness 10942956 plug on heater control box jack.

2.

Remove harness 10942956 plug (1) from heater jack (2).

3.

Measure voltage between harness 10942956 plug (1), pin C

(3)

,andground,withHEATERswitchonSTART

.

4.

Does multimeter read 17 volts or more?

C2YN

1.

Replace heater wiring harness.

2.

Verify no faults found.

C3Y

1.

Replace heater (WP 0703 00 or WP 0704 00).

2.

Verify no faults found.

008600-6

Change 5