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 430 of 855

TM 9-2350-277-20-1

PERSONNEL HEATER MALFUNCTIONS — Continued

0086 00

10Y

1.

Listen to heater until blower shuts off.

2.

Does blower shut off in less than 5 minutes?

10YN

1.

Replace heater (WP 0703 00

or WP 0704 00).

2.

Verify no faults found.

11Y

1.

Heater is operating properly.

2.

No faults found.

AY

1.

Remove heater control box (WP 0701 00).

2.

Check continuity on HI/LO switch between terminals

12 (1) and 13 (2).

3.

Does multimeter read 0 ohms?

AYN

1.

Replace heater HI/LO switch

(WP 0702 00).

2.

Verify no faults found.

A2Y

1.

Repair lead between heater switch and jack or heater switch

and ON/OFF/START switch (WP 0382 00).

2.

Verify no faults found.

008600-3

Change 5