WIL-11520-E-08
18
PS1520/1530 Bolted Metal
Step 4
Step 5
Step 6
Remove the discharge valve balls and
valve seats from the liquid chambers and
inspect for nicks, gouges, chemical attack
or abrasive wear. Replace worn parts with
genuine Wilden parts for reliable
performance.
Using the appropriate-sized wrench,
loosen the inlet manifold from the liquid
chambers.
NOTE:
Inverting the pump will facilitate
removal of inlet manifold.
Remove the inlet manifold to expose the
valve balls and valve seats. Inspect ball
cage area of manifold for excessive wear
or damage.
Step 7
Step 8
Step 9
Remove the inlet valve balls and valve
seats from the inlet manifold and liquid
chambers and inspect for nicks, gouges,
chemical attack or abrasive wear.
Replace worn parts with genuine Wilden
parts for reliable performance.
Using the appropriate-sized wrench,
remove the liquid chamber from the
center section.
The liquid chamber should be removed to
expose the diaphragm and outer piston
using an adjustable wrench. Remove the
diaphragm assembly from the center
section. Repeat for opposite side.
DISASSEMBLY / REASSEMBLY
