KNF N838 E Series - Page 37

Diaphragm pump N838_E
Servicing
Translation of Original Operating and Installation Instruction, KNF 347394-347605
09/23
37
1 Cover
2 Intermediate
plate
3 Head plate
4 Head plate
screw
5 Housing
6 Valve plate/
seal
7 Structured
diaphragm
8 Shim
9 Screw
10 Disk spring
11 Shim
12 Pneumatic
connection
tube
M Marking
9
10
11
6
7
8
2
3
4
Fig.7: Pump head N 838 KN_ versions (plastic pump head)
The diaphragm and valve plates/seals are to be replaced in
the following order:
Initial steps
1. Disconnect the pump from the power supply and ensure
that it is voltage-free.
EN
-
US
EN