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 TM 10-3930-660-24-2
OUTER BOOM MAINTENANCE - CONTINUED
0264 00
REMOVAL - CONTINUED
4.
Place wood blocks on machine deck behind cab to support boom hoist cylinders (8) when cylinders are lowered.
5.
Start engine. Lower outer boom until cylinder pivot pins (9) are just above cab. Stop engine (TM 10-3930-660-10).
6.
Support outer boom (3) with hoist and slings positioned at front of boom (3).
7.
Remove capscrew (10) and locknut (11) securing pivot pin (9) to boom hoist cylinder (8). Discard locknut.
8.
Support boom hoist cylinder (8). Remove pivot pin (9) from outer boom (3) and boom hoist cylinder (8).
CAUTION
In step 9, release hydraulic joystick immediately after boom hoist cylinder being removed has fully
retracted. If joystick is allowed to remain open, the other cylinder will start to retract, putting extreme stress
on lifting equipment and boom, which may result in damaged equipment.
NOTE
Cylinder will retract very slowly.
9.
Start engine and run at full throttle. Fully retract boom
hoist cylinder (8). Stop engine (TM 10-3930-660-10).
10.
Carefully lower cylinder (8) onto board placed across
vehicle deck so hydraulic line on cylinder (7) is not
damaged.
11.
Repeat steps 7 thru 10 for other cylinder (8).
10,11
9
3
8
409-1428
0264 00-3
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