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 TM 10-3930-638-24&P
3-30. HYDRAULIC LIFT SYSTEM MAINTENANCE (cont)
e. Lift Cylinder Assembly (cont).
ITEM
STEP
LOCATION
ACTION
REMARKS
REASSEMBLY (cont)
2 4 (cont)
e. New seal (40)
Separate elastic square ring from seal ring
i f not already separated
f.
Elastic
a. Liberally apply hydraulic oil
s q u a r e ring b. Slide over tool CAS1704-1
c. Install in center groove of piston as-
s e m b l y (38). Use finger tips and
slow, even pressure to pull ring over
tool until ring falls into position
i n center g r o o v e
g. Seal ring
a. Liberally apply hydraulic oil
b . Slide over tool CAS1704-1
c . Install in center groove of piston assem-
bly (38). Use finger tips and slow,
even pressure to pull seal ring over
tool until ring falls into position in
center groove over elastic square ring
F r o m outer tube (35)
h. Tool CAS1704-1 Remove
Install
i. Bottom wear
I f removed
ring (39)
24A Outer tube
Use clean hydraulic oil (re-
a . Inner tube
Lubricate
fer to current lubrication
(35)
and in-
(33)
stall
order)
Use clean hydraulic oil (re-
b . Gland assem-
Lubricate,
bly (25)
slide on
fer to current lubrication
order). Tighten after
inner tube
metal-to-metal contact
(33), con-
nect to
o u t e r tube
( 3 5 ) and
tighten
Change 2 3-246C
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