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 429 of 855

TM 9-2350-277-20-1

PERSONNEL HEATER MALFUNCTIONS — Continued

0086 00

4Y

1.

Turn HEATER SWITCH to ON. Do not stop at OFF position.

2.

Do blower and pump stay on?

4YN

1.

Replace heater ON/OFF/START

switch (WP 0702 00).

2.

Verify no faults found.

5Y

1.

Does heater continue producing hot air for 10 minutes?

5YN

1.

Replace heater (WP 0703 00

or WP 0704 00).

2.

Verify no faults found.

6Y

1.

Listen to heater blower.

2. TurnHI/LOswitchtoHI

.

3.

Does blower speed increase?

6YN

GO TO

AY

(PAGE 0086 00-3)

7Y

1.

Feel heater hot air outlet.

2.

Has air temperature increased?

7YN

1.

Shut off heater. See TM

9-2350-277-10.

2.

Replace heater (WP 0703 00

or WP 0704 00).

3.

Verify no faults found.

8Y

NOTE

Heater will automatically shut off when air inlet

temperature is 60 degrees or above. This is normal.

5.

Run heater on HI for 10 minutes.

2.

Does heater continue producing hot air?

8YN

1.

Shut off heater. See TM

9-2350-277-10.

2.

Replace heater (WP 0703 00

or WP 0704 00).

3.

Verify no faults found.

9Y

1.

Turn HEATER SWITCH to OFF.

2.

Does blower remain on?

9YN

1.

Heater does not purge.

2.

Replace heater (WP 0703 00

or WP 0704 00).

3.

Verify no faults found.

008600-2

Change 5