Wilden H200 Advanced Metal Series, Operation

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WILDEN PUMP & ENGINEERING, LLC WIL-11114-E-02
P U M P D I S A S S E M B L Y
Step 16
Remove valve ball, valve seat, valve
seat O-ring and manifold O-ring and
inspect .
Step 17
Prior to disconnecting the inlet
manifold from the liquid chambers,
place the pump assembly on its
side . Using a 1/2" wrench or socket,
remove the inlet manifold fasteners .
CAUTION: The center assembly is
very heavy and could cause injury to
the pump technician or anyone else
in the immediate area .
Step 18
Hints & Tips – Due to the liquid
chamber design, the pump can be
positioned on one liquid chamber
as shown; you can use the liquid
chamber to assist with removal of the
manifolds or opposite liquid chamber .
Step 19
Remove the liquid chambers using a
1/2" wrench or socket .
Step 20
Remove one outer piston,
diaphragm, and inner piston using
two 1" wrenches .
Step 21
Hints & Tips – To remove the opposite
diaphragm assembly, use the following
steps: First, install a 5/8"-18 jam nut on
the pump shaft . With a 15/16" wrench
positioned on the jam nut, lock the
outer piston against the jam nut using a
1" wrench on the outer piston . Holding
the jam nut with the 15/16" wrench,
you can now remove the opposite
diaphragm assembly by turning in a
counterclockwise direction .
NOTE: 5/8"-16 jam nut not included .
Available thru McMaster-Carr#
91078A235 .