PSG Dover Accu-Flo, Инженерия, эксплуатация и обслуживание

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WIL-10070-E-03
Wilden
®
16
Disassembly / Reassembly
Pump Disassembly
Tools Required:

1/2" Box Wrench

1/2" Socket

3/16" Allen Wrench

1/2" Socket Drive

2 – 1" Sockets or
Adjustable Wrench

Adjustable Wrench

Vise equipped with soft jaws
(such as plywood, plastic or
other suitable material)
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 A2 has a 25 mm (1”) inlet and 25 mm (1”) outlet and is
designed for flows up to 136 lpm (36 gpm). The wetted path comes in both
PVDF and polypropylene. The single-piece center section, consisting of center
block and air chambers, is molded of polypropylene. All o-rings used in the
pump are of a special material and shore hardness that should only be replaced
with factory-supplied parts.
PLEASE read all directions before starting disassembly.
NOTE: The model used for these instructions incorporates PTFE diaphragms,
balls, and seats. Models with rubber diaphragms, balls and seats are the same
except where noted.
NOTE: Replace worn parts with genuine Wilden parts for reliable performance.
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.
Step 2
Using the 3/16" Allen Wrench, remove air
valve bolts. Inspect air valve assembly for
wear or damage.
Step 3
Using a screwdriver or other long, slim
object, loosen the top liquid retainers
from the liquid chambers.
Section 7