PSG Dover WILDEN PRO-FLO P.025, Инженерия, эксплуатация и обслуживание, Страница: 14 / 28

WIL-10090-E-08
Wilden
®
14
Disassembly / Reassembly
Pump Disassembly
Tools Required:
• 7/16" Wrench or Socket
for Rubber-Fitted
•
5/32 ” Hex-Head Wrench
• 7/16” Wrench or Socket
(Qty. 2)
• 5/16" Wrench
•
3/8" Wrench
•
3/16" Rod or Equivalent
• 1/4" Socket Drive
• O-Ring Pick
• 3/16" Rod or Equivalent
CAUTION: Before any maintenance or repair is attempted, the compressed air
line to the pump should be disconnected and all air pressure allowed to bleed
from pump. Disconnect all intake, discharge, and air lines. Drain the pump by
turning it upside down and allowing any fluid to flow into a suitable container.
Wetted flushing of parts may be required prior to handling.
The P.025 is an air-operated, double-diaphragm pump with all wetted parts of
polypropylene or PVDF. The single-piece center section, consisting of center
block and air chambers, is molded from Acetal or polypropylene. All fasteners
and hardware are stainless steel. The air valve is manufactured of Acetal or
polypropylene. All O-rings used in the pump are of special materials and should
only be replaced with factory-supplied parts.
To expedite parts ordering, please find an exploded view of the P.025 model at
the back of this manual.
PLEASE read all directions before starting disassembly.
NOTE: Replace worn parts with genuine Wilden parts for reliable performance.
Step 1
Before actual disassembly is started, turn
pump upside down and drain all liquid
trapped in the pump into a suitable
container. Be sure to use proper caution if
liquid is corrosive or toxic.
Step 2
Remove top retainer with 1/4"
socket wrench.
Step 3
Inspect the ball retainer, retainer O-ring, and
valve ball. If swelling, cracking or other damage
is apparent, these parts must be replaced with
genuine Wilden parts.
Section 7