WIL-11050-E-05
15
WILDEN PUMP & ENGINEERING, LLC
Tools Required:
• 3/16" Allen Wrench
• Snap Ring Pliers
• O-Ring Pick
AIR VALVE DISASSEMBLY:
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 the 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. Be aware of hazardous effects of
contact with your process fluid.
The Wilden P100 Advanced™ Plastic Pump utilizes a revolutionary Pro-Flo
®
air distribution
system. A 6 mm (1/4") air inlet connects the air supply to the center section. Proprietary com-
posite seals reduce the co efficient of friction and allow the P100 to run lube-free. Constructed
of polypropylene, the Pro-Flo
®
air distribution system is designed to perform in on/off, non-
freezing, non-stalling, tough duty applications.
Step 1.
Figure 1
Loosen the air valve bolts utilizing a 3/16"
Allen wrench.
Step 2.
Figure 2
Remove muffler plate and air valve
bolts from air valve assembly exposing
muffler gasket for inspection
.
Replace if
necessary.
Step 3.
Figure 3
Lift away air valve assembly and remove
air valve gasket for inspection
.
Replace
if necessary.
S e c t i o n 8 B
AIR VALVE / CENTER BLOCK — REPAIR / M AINTENANCE
