669224-R5
32
ERVICE
S
CL4414.eps
5.4 Cylinder Service
5.4-1 Cylinder Disassembly
1 Clamp the extreme base end of the cylinder in a
soft-jawed vise .
2 Remove the retainer by using a claw type spanner
wrench.
3 Remove the rod assembly from the cylinder.
4 Clamp the rod assembly on the wrench flats. Never
clamp directly on the rod sealing surface.
5 Remove the nut fastening the piston to the rod. Use
a wrench on the rod end nut flats to keep the rod from
rotating while removing the nut.
6 Place the piston or retainer in a soft-jawed vise to
remove the seals. Pry the seals up with a blunt
screwdriver. Cut the seal to remove it.
CAUTION: Do not scratch the seal grooves.
5.4-2 Cylinder Inspection
• Inspect the rod, piston and retainer for nicks and burrs.
Minor nicks and burrs can be removed with emery cloth.
If they can not be removed with emery cloth, replace the
part.
• Inspect the cylinder shell bore and remove any minor
nicks or burrs with a butterfly. If they can not be
removed with the butterfly, the shell must be replaced.
• Inspect the outside of the shell for any deformities that
could weaken the shell's performance when under
pressure. Replace if necessary.
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