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TM 10-3930-643-34
HYDRAULIC SYSTEM TROUBLESHOOTING AND MAINTENANCE. (cont)
12-12.
Lift Cylinder. (Sheet 4 of 10)
DISASSEMBLY
18.
Using hoist and sling, extend rod
(45) half way out of cylinder
assembly and drain remaining fluid.
19.
Using a 9/16” socket and socket
wrench handle, remove six bolts (23)
washers (24) from retainer (25).
20.
Loosen retainer (25) and ring (26)
from cylinder and slide up on rod
(45).
21.
Using a brass punch, drive items 29
thru 44 down into cylinder (48) to
loosen three lock rings (27).
22.
Using a pick, remove and discard
three lock rings (27).
23.
Using hoist and sling, remove items
28 thru 45 as an assembly from
cylinder (48).
24.
Using a 2-3/4” socket and socket
wrench handle, remove lock nut (28)
and items 30 thru 35 as an assembly
from rod (45).
25.
Using a scribe, remove preformed
packing (29) , wear ring (30),
preformed packing (31), seal (32),
wear ring (33) and preformed packing
(34) from piston (35). Discard seal
(32) and preformed packings (31 and
34).
26.
Remove items 36 thru 44 as an
assembly, retainer (25) and ring (26)
from rod (45).
Discard preformed
packing (26).
27.
Remove and discard wiper seal (25a)
from retainer (25).
Go to sheet 5
12-104
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