WIL-11520-E-08
21
PS1520/1530 Bolted Metal
Step 7
Step 8
Step 9
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
bypassing it over the ports in the pilot
sleeve.
NOTE:
Do not remove seals from the
assembly. Seals are not sold separately.
Remove the modulator spool from
the center section. Check for wear to the
spool or O-rings and replace,
if necessary.
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.
Step 10
Step 11
Step 12
Using an O-ring pick, remove
the two (2) shaft bushings from
center block. Inspect and replace
if necessary. Using an O-ring pick,
gently remove the two (2) Glyd™
rings from the center block. Inspect
and replace if necessary.
Using an O-ring pick, remove the
two (2) Glyd™ rings from modulator
spool bore. Inspect and replace if
necessary.
Using an appropriate-sized wrench,
remove the pilot exhaust muffler.
Inspect for damage or contamination
and replace if necessary.
DISASSEMBLY / REASSEMBLY
Содержание PS1520
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