TM-9-2320-338-10

TRUCK, CARGO, 8X8, M977A4

TECHNICAL MANUAL; OPERATOR'S MANUAL

OCTOBER 2008

TM-9-2320-338-10 - Page 727 of 1120

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

sult in injury or death to personnel.

1.

Set HYD ENABLE switch to ON. (WP 0038)

Allison

TRAILER

AIR SUPPLY

M

M

HYD ENABLE

SWITCH

Figure 2.

2.

Operate engine (WP 0044) for 20 minutes with PTO enabled to bring hydraulic fluid up

to operating temperature.

3.

Check hydraulic fluid temperature at reservoir. Reservoir should be warm.

CONDITION/INDICATION

Does hydraulic fluid reach normal operating temperature after running engine for 20

minutes with PTO engaged?

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