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 759 of 1128

OPERATOR MAINTENANCE

OUTRIGGER OPERATION SLOW OR ABNORMAL

INITIAL SETUP:

Equipment Condition

Vehicle setup for crane operations.

(WP 0038)

TROUBLESHOOTING PROCEDURE

OUTRIGGER OPERATION SLOW OR ABNORMAL

TEST 1 - Is hydraulic fluid at normal operating temperature?

WARNING

Reservoir may be very hot. Use care when placing hand near reservoir.

Reservoir can become hot enough to cause serious burns. Be careful not

to touch the reservoir with bare hands or allow body to contact reservoir.

Use gloves and insulated pads as necessary. Failure to comply may re-

sult in injury or death to personnel.

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.

If outside temperature is 0°F (-17°C) or lower, hydraulic fluid may not flow

easily.

1.

Check hydraulic fluid temperature at reservoir.

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