WIL-12310-E-04
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WILDEN PUMP & ENGINEERING, LLC
Step 10
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 nicks,
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
Notched End
Spectrom is not your typical after market part supplier. We do not
simply sell pump parts; we provide value added procurement solutions.
Our unique network enables us to purchase effectively, resulting in low
cost solutions. We also know that low purchase price is not enough
- quality, integrity and inventory are also important. Spectrom is
structured to provide Pre and Post sales support, giving our customers
value added application and pump knowledge.
Contact us to have a procurement solution developed for you. We don’t
just fit you into a generic system, we develop specific solutions that
achieve results.
Spectrom will ship your order from
our facility within
3
working days!
Finding spares a nightmare?
Sleep easier with
PRODUCTS: AODDP
(Air Operated Double Diaphragm Pumps)
• Warren-Rupp
• ARO
• Other
PUMP PARTS
(Low Cost)
• Diaphragms
• Valve balls
• Valve seats
KNOWLEDGE & SERVICE
• Competitive pricing
• Delivery
• Service
• Inventory
1-909-512-1261
www.spectromparts.com
WARNING:
These parts may exhibit
better life than OEM parts.
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
Summary of Contents for PX4 series
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