WIL-11113-E-04
Wilden
®
17
Disassembly / Reassembly
Step 4
Lift away air chamber from center
section and remove center block gasket.
Replace gasket if necessary,
Step 5
Turn assembly over and remove the pilot
spool sleeve from the center section.
Step 6
Using an O-ring pick, gently remove the O-ring
from the opposite side of the dimpled end of the
pilot spool.
Step 7
Gently remove the pilot spool from the
sleeve and inspect for nicks, wear or
damage. Replace the pilot spool assembly
or sleeve O-rings if necessary. During
reassembly, never insert the dimpled end of
the pilot spool first, this will damage the
single urethane O-ring by passing it over
the ports in the pilot sleeve.
NOTE: Seals should not be
removed from the assembly.
Seals are not sold separately.
Step 8
Remove modulator spool from center
section. Check for wear to spool or O-rings
and replace if necessary.
Step 9
Using the appropriate-sized wrench, loosen the
fasteners and lift away remaining air chamber
and center block gasket from center section.
Replace gasket if necessary.
