Dover Wilden Advance Pro-Flo V PV400 Series, Инженерия, эксплуатация и обслуживание

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WIL-11100-E-05
23 WILDEN PUMP & ENGINEERING, LLC
Step 4
Remove air valve end cap to expose
air valve spool by simply lifting up
on end cap once air valve bolts are
removed. Note: Pro-Flo V™ air valve
incorporates an end cap at both
ends of the air valve.
Step 5
Remove the air valve spool from
the air valve body by threading one
air valve bolt into the end of the
air valve 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 sleeve retaining snap
ring on both sides of center section
with snap ring pliers.
A I R V A L V E / C E N T E R S E C T I O N D I S A S S E M B L Y
Step 7
Remove pilot spool sleeve from
center section.
Step 8
Using an o-ring pick, gently remove the o-ring from the opposite side of the
“notched end“ on one side of the pilot spool. Gently remove the pilot spool
from pilot spool sleeve and inspect for nick, gouges and wear. Replace
pilot sleeve or outer sleeve o-rings if necessary. During re-assembly, never
insert the pilot spool into the sleeve with the “notched end“ fi rst, this end
incorporates the urethane o-ring and will be damaged as it slides over the
ports cut in the sleeve. Note: Seals should not be removed from pilot
spool. Seals are not sold separately.
NOTCHED
END