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TM10-3930-660-34
16-9. FRAME TILT CYLINDER - REPAIR (Cont’d)
ASSEMBLY
NOTE
Wipe all sealing surfaces on cylinder
clean and dry. Apply film of clean
hydraulic oil to all seals as they are
installed.
1.ASSEMBLE CYLINDER PARTS (1-19).
a.
Install seal (18) and rod wiper (19) inside gland
(9).Ensure that seal (18) lip is positioned the
same way as it was before disassembly.
b.
Install back-up ring (17) and new O-ring (11) on
outside diameter of gland (9).
c.
Slide gland (9) onto rod (8).
d.
Lubricate piston (15) inner diameter with clean
hydraulic oil. Install new O-ring (16) inside bore
of piston (15).
e.
Use a cleaning solvent and lint free rag to clean
threads on rod (8) and new nut (14).
f.
Slide piston (15) onto rod (8).
g. Apply Loctite #271 on threads of rod (8) and nut
(14).Install nut (14) on rod (8).
h. Place rod (8) and piston assembly on suitable
supports to prevent damage during assembly.
i.
Install two wear rings (12) and one new seal
(13).Position wear rings so that gaps are 180
degrees apart.
CAUTION
Use care when installing rod (8) and
piston assembly. Keep rod (8) in line
with
cylinder
tube
(10)
to
prevent
binding. Failure to follow this precaution
will cause part damage.
j.
Lubricate cylinder tube (10) inner diameter,
piston (15) outside diameter and gland (9)
outside diameter wiht clean hydraulic oil.
k.
Position rod (8) and piston assembly in cylinder
tube (10).
NOTE
Tighten gland (9) so that it is flush with
end of cylinder tube (10).Do not over-
tighten gland (9).
1.
Tighten gland (9) onto cylinder tube (10).
m. Install back-up rings (2 and 3), two back-up rings
(4) and three new O-rings (5-7) on each
counterbalance valve (1).
n.
Install two counterbalance valves (1) in cylinder
tube (10) as noted during disassembly.
2.
INSTALL FRAME TILT CYLINDER, TM10-3930-
660-20.
16-40
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