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 TM 10-3930-660-24-2
BOOM EXTEND CYLINDER MAINTENANCE - CONTINUED
0309 00
DISASSEMBLY - CONTINUED
4.
Remove needle valve (41).
CAUTION
Do not scratch or damage the wear surface of rod, piston or gland.
5.
Pull rod (42) out approximately 5 in. (12.7 cm) for
removal of gland (43).
6.
Place a container under gland (43) to catch oil con-
41
tained in cylinder.
7.
Use a spanner wrench to remove gland (43) from bar-
44
rel (44). Pull gland (43) out of cylinder far enough to
42
unseat O-ring (45). Allow oil to drain into container.
CAUTION
Use care when removing rod and piston
assembly to prevent wear ring damage.
45 43
Keep rod in line with cylinder tube to pre-
vent binding.
46
409-1448
8.
Remove rod (42) and piston assembly from barrel
(44).
9.
Place rod (42) and piston assembly on supports to prevent damage.
10.
Remove and discard two wear rings (46).
0309 00-3
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