TM-9-2320-431-10-2

TRUCK, WRECKER, 8X8, M984A1

TECHNICAL MANUAL; OPERATOR'S MANUAL; PART 2 OF 2

JUNE 2009

TM-9-2320-431-10-2 - Page 237 of 712

OPERATOR MAINTENANCE

RETRIEVAL SYSTEM WILL NOT OPERATE

INITIAL SETUP:

Equipment Condition

Engine OFF. (Volume 1, WP 0057)

Equipment Condition - Continued

Parking brakes applied. (Volume 1,

WP 0056)

Wheels chocked. (Volume 1,

WP 0100)

TROUBLESHOOTING PROCEDURE

RETRIEVAL SYSTEM WILL NOT OPERATE

TEST 1 - Are electrical connections tight?

NOTE

Common problems with retrieval system that may be found are:

1. Slow or abnormal operation.

2. Will not lift disabled vehicle.

3. Will not hold disabled vehicle in raised position.

Common causes of problems are:

1. Cold hydraulic fluid (slow operation).

2. Low engine speed (slow or abnormal operation).

3. Operating two retrieval functions at the same time (slow operation).

4. Low hydraulic fluid.

Report all problems to field level maintenance.

1.

Check that all electrical connections on solenoid valve are tight. If loose, tighten.

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