WIL-17011-E-02
17
CSA-Certified Pumps
Step 8
Step 9
Step 10
The liquid chamber should be removed to
expose the diaphragm and outer piston.
Rotate center section and remove the
opposite liquid chamber.
Using two adjustable wrenches or 1"
sockets, remove diaphragm assembly
from center section assembly.
After loosening and removing the outer
piston the diaphragm assembly can be
disassembled.
Step 11
Step 12
To remove the diaphragm assembly from
shaft, secure shaft with soft jaws
(aluminum, plastic, or plywood) to ensure
the shaft is not damaged. Using an
adjustable wrench, remove the diaphragm
assembly from the shaft.
Inspect diaphragms, outer and inner
pistons for signs of wear. Replace with
genuine Wilden parts if necessary.
DISASSEMBLY / REASSEMBLY