TM-9-2320-338-10
TRUCK, CARGO, 8X8, M977A4
TECHNICAL MANUAL; OPERATOR'S MANUAL
OCTOBER 2008
TM-9-2320-338-10 - Page 714 of 1120
Allison
TRAILER
AIR SUPPLY
M
M
HYD ENABLE
SWITCH
Figure 1.
3.
Operate engine (WP 0044) for 20 minutes with PTO enabled to bring hydraulic fluid up
to operating temperature.
4.
Attempt to raise or lower boom. (WP 0038)
CONDITION/INDICATION
Does boom raise or lower normally after running engine for 20 minutes with PTO
engaged?
DECISION
No - Test 2 - Does boom raise or lower normally after cycling mast?
Yes - Problem corrected.
TM 9-2320-338-10
0119
0119-2
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