WILDEN PUMP & ENGINEERING, LLC
12
WIL-11560-E-07
To o l s R e q u i r e d :
• 13 mm (1/2") Box
Wrench
• 2 – 25 mm (1") Sockets
or Adjustable Wrench
• Adjustable Wrench
• Vise equipped with
soft jaws (such as
plywood, plastic
or other suitable
material)
CAUTION:
Before any maintenance or repair is attempted, the compressed air line
to the pump should be disconnected and all air pressure allowed to bleed from the
pump. Disconnect all intake, discharge and air lines. Drain the pump by turning it
upside down and allowing any fluid to flow into a suitable container. Be aware of
any hazardous effects of contact with your process fluid.
NOTE: The model photographed is a metal PX200 25 mm (1") pump. Your specific
pump model may vary from configuration shown; however, pump disassembly
procedure will be the same.
Step 1
Please note alignment marks on
center section. Use to properly align
liquid chamber to center section.
Step 2
Using a 13 mm (1/2") wrench,
loosen the discharge manifold from
the liquid chambers.
Step 3
Remove the discharge manifold to
expose the valve balls, valve seats
and valve seat O-rings.
S e c t i o n 7
P U M P D I S A S S E M B L Y
