WIL-10440-E-03
Wilden
®
18
Disassembly / Reassembly
Step 4
Remove air valve spool from air valve
body by threading one air valve bolt into
the end of the spool and gently slide the
spool out of the air valve body. Inspect
seals for signs of wear and replace entire
assembly, if necessary. Use caution when
handling the air valve spool to prevent
damaging seals.
NOTE:
Seals should not be
removed from assembly.
Seal are not sold separately.
Step 5
Remove pilot spool retaining snap ring on
both sides of the center section using
snap-ring pliers.
Step 6
Remove the air chamber bolts using an
appropriate-sized hex wrench.
Step 7
Remove the air chamber and inspect
the air chamber gaskets (2). Replace
if necessary.
Step 8
With an O-ring pick, remove the O-ring
from the modulator spool.
Step 9
Remove the pilot spool from the
center section.
