TM-9-2320-343-10

TRUCK, CARGO, 8X8 M985A4 W/WINCH AND M985A4 W/O WINCH

TECHNICAL MANUAL; OPERATOR'S MANUAL

OCTOBER 2008

TM-9-2320-343-10 - Page 771 of 1128

OPERATOR MAINTENANCE

SWING OPERATION ABNORMAL IN ONLY ONE DIRECTION

INITIAL SETUP:

Equipment Condition

Vehicle setup for crane operations.

(WP 0038)

TROUBLESHOOTING PROCEDURE

SWING OPERATION ABNORMAL IN ONLY ONE DIRECTION

TEST 1 - Is vehicle level?

NOTE

Common problems that crane operators may see are:

1.

Slow or abnormal operation.

2.

Crane will not pick up load.

Common causes of problems are:

1.

Cold hydraulic fluid (slow operation).

2.

Low engine speed (slow or abnormal operation).

3.

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

4.

Load too heavy (crane will not pick up load).

5.

Air in cylinder or hoist motor (abnormal operation).

Report all problems to organizational maintenance.

1.

Check if vehicle is level.

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