ERVICE
S
24
208743 Rev. 1
5.4-4 Cylinder Reassembly
1 Polish the piston and retainer chamfer angle with emery
cloth. This allows the seals to slide over the chamfer
easier.
2 Wash all components with cleaning solvent. Lubricate
all new seals and rings with petroleum jelly or STP.
3 Note the direction of the U-cup seals. If the seals are
installed backward they will not work properly. For
proper seal placement see the illustration below.
4 Install the new seals on the piston and retainer. Hook
one side of the seal in the groove and push it over the
piston or retainer.
5 Install the retainer and piston on the rod and tighten the
piston retaining nut to the torque value below:
55F – 70-75 ft.-lbs.
100F/120F – 100-120 ft.-lbs.
6 Apply a thick film of petroleum jelly or STP to the inside
of the cylinder shell, piston seals and retainers.
7 Insert the rod assembly into the cylinder shell. If
resistance is encountered, tap the rod end with a rubber
mallet.
8 Tap the retainer into the shell far enough to install the
retaining ring in its groove.
9 Pull the rod out to the fully extended position. This
will position the retainer so the spiral snap ring can be
installed.
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3
9
8
7 5
Retainer
Shell Piston
OR
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