12. Check cap seal. Seal must fit tight against O-ring and
not turn. If seal can be turned, it has been stretched
too much and can be damaged during assembly into
13. For a cap seal that has been stretched too much,
shrink it to its original size using a ring compressor or
a plastic tie band and hose clamp.
stock between cap seal and compressor at joint so it
does not damage seal.
When using a plastic tie band and hose clamp, grind
a taper on one end of tie band. Install tie band with
taper against cap seal. Before tightening the hose
clamp, check to be sure tie band is under hose clamp
all around piston.
14. Install a backup ring (C) on each side of cap seal.
15. Install wear rings (B) and rings (A).
Turn the rings so slits are 180° from each other.
A--Ring (2 used)
B--Wear Ring (2 used)
C--Backup Ring (2 used)
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