WIL-12350-E-02 17 WILDEN PUMP & ENGINEERING, LLCWIL-12350-E-02 17 WILDEN PUMP & ENGINEERING, LLC
POWER CYLINDER REASSEMBLY
Step 1
After attaching the diaphragm shaft and
bushing to the power cylinder piston,
place power cylinder in vice with soft jaws
(careful to not damage piston). Next, install
new slipper seal.
HINTS & TIPS: Using a strip of material
(like an old O-ring), slide the material back
and forth until the slipper seal is positioned
above the center groove.
Step 2
Next, place the power cylinder and power
cylinder piston on top of the two blocks of
wood or equivalent.
Step 3
Insert new guide rings in outer grooves.
Very gently, begin to maneuver the power
cylinder piston into the power cylinder
body.
HINTS & TIPS: A conical (tapered) piece of
cylindrical sheet material or equivalent can
be used to hold the guide rings in place as
the power cylinder piston slides in to the
power cylinder body.
Step 4
Using a rubber mallet, lightly tap power
cylinder piston in a circular fashion until
piston is maneuvered completely into
power cylinder body. When performing
this task, use caution to not damage the
guide rings or slipper seal.
Step 5
As a last step, install power cylinder cover
and bushing to power cylinder body and
secure with fasteners provided.
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