TM 9-4940-568-34
6-42
6-9.
LIFT CYLINDER REPAIR (Continued)
b.
Cleaning/Inspection
(1) Clean all parts.
(2) Inspect all parts for pitting, corrosion,
scoring, damaged splines, damaged
teeth, or indications of binding.
(3) Inspect all other parts. Replace all parts
failing inspection.
c.
Assembly
NOTE
Lubricate
all
preformed
packings, backup rings and
seals with clean hydraulic oil.
(1) Install wiper seal (22), buffer seal (21),
and rod seal (20) in cylinder head (15).
(2) Install backup ring (19) and preformed
packing (18) on cylinder head (15).
(3) Install seal (17) on cylinder head (15).
(4) Install wiper ring (16) in retaining ring
(3).
(5) Install retaining ring (3) and cylinder
head (15) on rod (7).
(6) Install spacer (14) on rod (7).
(7) Install preformed packing (13) and two
backup rings (12) on piston (9).
(8) Install guide lock ring (11) on piston (9).
(9) With help from assistant, place rod (7) in
vise.
(10) Install piston (9) on rod (7) with setscrew
(10).
(11) Install seal assembly (8) on piston (9).
(12) With help from assistant, remove rod (7)
from vise.
