➨
Use an open end wrench (width 17) to re-
move the screw-in fitting and the connecting
tube from the pump head. In case, steady
with a second open end wrench (width 20).
F: Diaphragm
G: Diaphragm support disc
H: Washer
I: Connecting rod
J: Housing
A: Housing cover
B: O-rings
C: Valves
D: Head cover
E: Diaphragm clamping disc
with square head screw
Pump head parts:
E
J
I
C
F
D
B
G
H
A
Cleaning and inspecting the pump heads
View of the disassembled pump head parts
