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 TM 10-3930-660-24-2
BOOM EXTEND CYLINDER MAINTENANCE - CONTINUED
0309 00
DISASSEMBLY - CONTINUED
CAUTION
Do not nick or scratch seal groove on piston during removal of seal. Failure to follow this precaution will
cause part damage.
11.
Cut seal (47) and discard.
NOTE
The nut may need to be heated with a torch for removal.
12.
Remove nut (48) and piston (49). Discard nut.
13.
Remove and discard O-ring (50) from piston (49) bore.
14.
Remove tube (51) and gland (43) off rod (42).
15.
Remove O-rings (45 and 52) and back-up ring (53) from gland (43). Discard O-rings and back-up ring.
CAUTION
Do not nick or scratch seal groove inside gland during removal of seal and rod wiper. Failure to follow this
precaution will cause part damage.
NOTE
Note direction that lip of seal is facing before removal.
16.
Remove seal (54) and rod wiper (55) from inside of gland (43). Discard seal.
50
43
46
53
49
45
52
47
51
46
48
42
55
42
54
409-1449
409-1450
CLEANING
See Cleaning instructions (WP 0316 00).
INSPECTION
See Inspection instructions (WP 0317 00).
0309 00-4
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