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 435 of 855

TM 9-2350-277-20-1

PERSONNEL HEATER MALFUNCTIONS — Continued

0086 00

EY

1.

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

2.

Measure voltage between heater control jack (2), pin A (3),

and ground, with HEATER switch on START.

3.

Does multimeter read 17 volts or more?

EYN

GO TO

FY

(PAGE 0086 00-9)

E2Y

1.

Install harness 10942956 on heater control box jack.

2.

Remove harness 10942956 plug (1) from heater fuel

pump jack (2).

3.

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

ground,withHEATERswitchonSTART

.

4.

Does multimeter read 17 volts or more?

E2YN

1.

Replace harness 10942956 circuit

402.

2.

Verify no faults found.

E3Y

1.

Replace heater fuel pump (WP 0695 00, WP 0696 00,

or WP 0697 00).

2.

Verify no faults found.

008600-8

Change 5