P U M P D I S A S S E M B L Y
WILDEN PUMP & ENGINEERING, LLC
26
WIL-12310-E-04
Step 10A
Next, remove the liquid chamber
from the center section assembly.
Step 10B
If your pump is fi tted with an integral
piston diaphragm (IPD), when you
remove the liquid chamber you will
notice that there is no outer piston.
Step 11A
Using two adjustable wrenches,
turning in the opposite direction,
loosen and remove one of the two
outer pistons.
Step 11B
If your pump is fi tted with an IPD,
the procedure for removing the
diaphragm is slightly different.
In this case, simply grasp the
diaphragm in two locations and turn
in a counter-clockwise direction.
Step 12A
After loosening and removing
the outer piston, the remaining
diaphragm assembly and shaft can
be removed from the center section
assembly.
Step 9
Now the large clamp bands can be
removed. NOTE: Prior to assembly,
alignment marks should be placed
on the liquid chambers and air
chambers to assist with proper
alignment during reassembly.
Summary of Contents for PX4 series
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