WILDEN PUMP & ENGINEERING, LLC
30
WIL-12310-E-04
Step 4
Remove muffl er plate and air valve
bolts from air valve assembly
exposing muffl er
gasket
for
inspection. Replace if necessary.
Step 5
Lift away air valve assembly
and remove air valve gasket for
inspection. Replace if necessary.
Step 6
Remove air valve end cap to expose
air valve spool by simply lifting up
on end cap once air valve bolts are
removed. NOTE: Pro-Flo V™ air
valve incorporates an end cap at
both ends of the air valve.
Step 7
Remove the air valve spool from the
air valve body by threading one air
valve bolt into the end of the air valve
spool and gently sliding the spool
out of the air valve body. Inspect
seals for signs of wear and replace
entire assembly if necessary. Use
caution when handling air valve
spool to prevent damaging seals.
NOTE: seals should not be removed
from assembly. Seals are not sold
separately.
Step 8
Remove pilot sleeve retaining snap
ring on both sides of center section
with snap ring pliers.
Step 9
Remove pilot spool sleeve from
center section.
Muffl er Gasket
Air Valve Gasket
A I R V A L V E / C E N T E R S E C T I O N D I S A S S E M B L Y
Summary of Contents for PX4 series
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