10
Step 2.
Figure 2
Utilizing the 10 mm (3/8") box wrench, start by removing the
four long carriage bolts that hold the top and bottom mani-
folds to the center section.
Step 3.
Figure 3
Remove the top manifold and lift the center section off the
inlet manifold.
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 any hazardous effects of contact with
your process fluid.
The Wilden model P1 has a 13 mm (1/2") inlet and outlet and
is designed for flows up to 56.8 lpm (15 gpm). The single-piece
center section, consisting of center block and air chambers, is
molded of polypropylene or acetal. All fasteners and hardware
are stainless steel and the air valve is manufactured of brass or
high-tech engineered thermoplastic. Its air distribution system
is based on a revolutionary design, which offers economical
reliability and performance. The model P1 Plastic is available
in injection-molded polypropylene, PVDF and PTFE PFA wet-
ted parts.
TOOLS REQUIRED:
8 mm (5/16") Wrench
5 mm (3/16") Allen Wrench
10 mm (3/8") Wrench
11 mm (7/16") Wrench
Adjustable Wrench
Vise equipped with soft jaws (such as plywood, plastic
or other suitable material)
NOTE: The model used for these instructions incorporates
rubber diaphragms, balls, and seats. Models with PTFE dia-
phragms, balls and seats are the same except where noted.
DISASSEMBLY:
Step 1.
Before starting disassembly, mark a line from each liquid
chamber to its corresponding air chamber. This line will
assist in proper alignment during reassembly.
Figure 1
WILDEN PUMP & ENGINEERING, LLC
WIL-10140-E-08
S e c t i o n 7
D I S A S S E M B L Y / R E A S S E M B L Y
Summary of Contents for Wilden Original P1
Page 21: ...S e c t i o n 5 N O T E S ...