WILDEN PUMP & ENGINEERING, LLC 12 WIL-12350-E-02
AIR VALVE/CENTER-SECTION DISASSEMBLY
Step 13
After loosening, remove the outer piston and diaphragm assem-
bly.
NOTE: If using an IPD, un-thread from the shaft.
Step 14
Loosen tubing nuts located at each pressure relief valve. Next,
loosen pipe fitting and elbow. This will allow easy access to the
relief valve. Using the appropriate-sized wrench, remove each
pressure relief valve.
Step 15
Using the appropriate-sized wrench, remove the fasteners that
connect the air valve and air valve gasket to the center section.
Step 16
Lift air valve and isolator cover away from pump.
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