BOOM EXTEND CYLINDER REPLACEMENT/REPAIR - continued

TM 10-3930-673-34

(g)

Remove two wear rings (43) from piston

(44).

CAUTION

Do not nick or scratch seal groove on

piston during removal of seal. Failure to

follow this precaution will cause part

damage.

(h)

Remove seal (45) from piston (44).

Discard seal.

NOTE

Nut may need to be heated with a torch

for removal.

(i)

Remove nut (46) and piston (44) from rod

(39). Discard nut.

TR01437

(j)

Remove preformed packing (47) from

piston (44) bore. Discard preformed packing.

(k)

Remove tube (48) and gland (40) from

rod (39).

(l)

Remove preformed packings (42 and 49)

and back-up ring (50) from gland (40).

Discard preformed packings.

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 to

aid in installation.

TR01438

(m) Remove seal (51) and rod wiper (52) from

inside of gland (40).

c. Cleaning. See Cleaning Instructions (Para 2-12).

d. Inspection. See Inspection Instructions (Para 2-14).

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