Dover Wilden Original PV20, Инженерия, эксплуатация и обслуживание, Страница: 14 / 25

WILDEN PUMP & ENGINEERING, LLC 12
TT5049 EOM-PV20M 9/05
P U M P D I S A S S E M B L Y
Step 10
Using a 1/2” wrench, remove the
discharge elbows and inlet ball pots
from the liquid chambers.
Step 11
After removing the inlet ball pots
and discharge elbows from liquid
chamber, inspect manifold gaskets
for nicks, chemical attack or abra-
sive wear. Replace if necessary.
Step 12
To ease the disassembly process,
position center section assembly
and liquid chambers so that one
side is facing up. Next, using a 3/4”
wrench, remove the upper-most
large clamp band assembly which
secures one liquid chamber to the
center section.
Step 13
With large clamp band removed, lift
the upper-most liquid chamber from
the center section to expose the dia-
phragm and outer piston.
Step 14
Using an adjustable wrench, or by
rotating the diaphragm by hand, re-
move the diaphargm assembly.
Step 15
To remove diaphragm assembly
from shaft, secure shaft with soft
jaws (a vise fi tted with plywood,
plastic or other suitable material to
ensure shaft is not nicked, scratched
or gouged. Using an adjustable
wrench, remove diaphragm assem-
bly from shaft.