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TM 10-3930-643-34
HYDRAULIC SYSTEM TROUBLESHOOTING AND MAINTENANCE. (cont)
12-10. Boom Assembly. (Sheet 4 of 11)
REMOVAL (cont)
15.
16.
17.
18.
19.
20.
21.
Using a hammer and punch, a 7/16”
socket and socket
wrench handle,
remove two seals (18), two bushings
(19) and lubrication fittings (20)
from rod (21).
Discard seals (18).
Using a safety rope,
fasten tilt
cylinder to
vehicle
to prevent
cylinder rod end from dropping
when
pin (24) is removed.
Using a 1-1/8” socket and socket
wrench handle, remove bolt (22),
washer (23) and pin (24).
Using a 10” long bar, attach hoist
and sling to lever (31).
Using a 1-1/8” socket and socket
wrench handle, remove
bolt (25),
washer (26) and pin (27).
Using a hoist and sling, remove items
28 thru 31 as an assembly.
Lever
(31) weighs approximately 382 lbs.
Remove hoist and sling.
Go to sheet 5
12-78
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