KNF Labor N86.18 Mode D'emploi page 82

Servicing
2 Intermediate
plate
3 Head plate
4 Head plate
screw
5 Cover
6 Housing cover
34
Final steps
1. Reconnect the suction line and the pressure line to the
pump.
2. Connect the pump to the electrical mains.
If you have questions with regard to maintenance, please con-
tact your KNF Customer Service (contact data: see
www.knf.com).
9.3.2 Replacing diaphragm and valve plates [N811.18]
The diaphragm and valve plates/seals are to be replaced in
the following order:
a.) Remove pump head
6
Fig.6: Remove pump head
1. Mark the head plate (3), intermediate plate (2), cover (5)
and housing cover (6) with a continuous pencil stroke.
This helps to avoid incorrect assembly later.
2. Loosen the four head plate screws (4) and remove the
head plate (3) from the pump housing together with the in-
termediate plate (2).
Translation of Original Operating and Installation Instruction, KNF
Diaphragm pump N86.18 / N811.18
3
4 2
5
121435-121438 02/23