page 47 of 58
➨
Turn the fittings with an open-ended wrench
(14 mm) to detach the hoses from the pump
heads (1/4 of a turn at maximum).
+
Do not remove the elbow fittings from the
pump heads; during reassembly a leak may
result.
1
9
3
2
5
6
7
8
4
1: Housing
2: Connecting rod
3: Washer
4: Diaphragm support disc
5: Diaphragm
6: Diaphragm clamping disc
with square head screw
7: Head cover
8: Valve
9: Housing cover with
housing cover insert
View of the disassembled pump head parts
