WIL-17011-E-02
20
CSA-Certified Pumps
Step 4
Step 5
Step 6
Remove muffler plate gasket and inspect.
Replace if necessary.
Remove air valve end cap to expose air
valve spool.
NOTE:
The end cap cannot be removed
until removing air valve bolts.
Remove air valve spool from air valve
body by threading one air valve bolt into
the end of the 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 7
Step 8
Remove pilot spool retaining snap-ring on
both sides of center section with snap-ring
pliers.
Remove pilot spool assembly from
center section.
DISASSEMBLY / REASSEMBLY
