TM-9-2350-256-10

RECOVERY VEHICLE, FULL TRACKED: MEDIUM, M88A1

OPERATOR'S MANUAL

OCTOBER 2014

TM-9-2350-256-10 - Page 474 of 796

AUXILIARY HYDRAULIC SYSTEM WILL NOT WORK

SYMPTOM

Auxiliary hydraulic system will not work.

MALFUNCTION

Oil level in hydraulic oil tank is low.

CORRECTIVE ACTION

WARNING

Hot engine surfaces can ignite engine oil. Clean oil from around oil filler tube

area with wiping rags after filling. Ensure engine oil filler tube cap is tight and

engine oil fill access door is closed and latched. Failure to comply may result in

personnel death, injury, and/or damage to equipment.

1.

Check oil level in hydraulic oil tank (WP 0099).

2.

Fill oil in hydraulic oil tank to appropriate level (WP 0099).

3.

Start APU (WP 0042) and operate hydraulic system (WP 0074).

4.

If problem still exists, notify maintenance.

BOOM AND SPADE WILL NOT WORK WITH APU ENGINE RUNNING

SYMPTOM

Boom and spade will not work with APU engine running.

MALFUNCTION

APU EMERGENCY WINCH CONTROL valve is in wrong position.

CORRECTIVE ACTION

1.

Check APU EMERGENCY WINCH CONTROL valve position (WP 0074).

2.

Turn valve to NORMAL OPERATION position (WP 0074).

3.

Attempt to operate boom (WP 0078) and/or spade (WP 0075) with APU engine running.

4.

If problem still exists, notify maintenance.

END OF WORK PACKAGE

TM 9-2350-256-10

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