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 301 of 855

TM 9-2350-277-20-1

COOLANT TEMP INDICATOR MALFUNCTIONS — Continued

0053 00

2Y

1.

Remove jumper wire.

2.

Replace water temperature transmitter (WP 0321 00).

3.

Verify no faults found.

AY

1.

Turn MASTER SWITCH to OFF.

2.

Remove harness 12349873 plug (1) from harness 12349881

jack (2) at carrier bulkhead.

3.

Turn MASTER SWITCH to ON.

4.

Is TEMP indicator still not in full left (cold) position?

AYN

1.

Replace harness 12349873 circuit

33 (WP 0359 00).

2.

Verify no faults found.

A2Y

1.

Turn MASTER SWITCH to OFF.

2.

Remove instrument panel for access (WP 0295 00).

3.

Remove harness 12349881 circuit 33 plug (1) from

TEMP indicator jack (2).

4.

Measure resistance between harness 12349881 circuit

33 plug (1) and ground.

5.

Is reading 0 ohms?

A2YN

1.

Faulty harness 12349881 circuit 33.

Beyond unit maintenance repair.

2.

Notify supervisor.

005300-2

Change 5