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 339 of 855

TM 9-2350-277-20-1

ENGINE COOLANT LOW LEVEL INDICATOR MALFUNCTIONS — Continued

0058 00

BY

1.

Remove harness 12349881 circuit 352/27K (1) from ENGINE

COOLANT LOW LEVEL indicator (2).

2.

Measure voltage between harness 12349881 plug (1)

circuit 27K pin and ground.

3.

Does multimeter read less than 17 volts?

BYN

1.

Remove jumper wire and install

harness 12349873 plug on coolant

level detector.

2.

Replace ENGINE COOLANT

LOW LEVEL indicator assembly

(WP 0294 00).

3.

Verify no faults found.

B2Y

1.

Turn MASTER SWITCH to OFF.

2.

Remove instrument panel for access (WP 0295 00).

3.

Remove harness 12349881 circuit 27F plug (1) from cable

assembly 12349858 circuit 27F jack (2).

4.

Measure resistance between harness 12349881 circuit 27K

plug and circuit 27F plug (1).

5.

Does multimeter read 0 ohms?

B2YN

1.

Faulty harness 12349881 circuit 27K.

Beyond unit maintenance repair.

2.

Notify supervisor.

B3Y

1.

Install harness 12349881 circuit 352/27K plug on ENGINE

COOLANT LOW LEVEL indicator.

2.

Replace cable assembly 12349858 circuit 27F (WP 0290 00).

3.

Verify no faults found.

005800-4

Change 5