WIL-11160-E-09
Wilden
®
17
Disassembly / Reassembly
Step 5
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 6
Remove pilot spool retaining O-rings
on both sides of center section with
O-ring pick.
Step 7
Remove air chamber bolts with 3/4"
hex socket.
Step 8
Remove pilot spool bushing from
center block.
Step 9
Gently remove pilot spool from bushing
and inspect spool and seals for nicks,
gouges or other signs of wear. Replace
pilot sleeve assembly or outer bushing
O-rings if necessary.
NOTE:
Seals should not be
removed from pilot spool. Seals are
not sold separately. The end of the
pilot spool that has a “center hole”
in it should not be fed into the bore
first (see TB 1296).
Step 10
Check center section Glyd™ rings
for signs of wear. If necessary,
remove Glyd™ rings with o
-ring pick
and replace.
.
