Diaphragm pump N022.18, N026.18
Translation of Original Operating Instruction, KNF 121224-121388 04/23
22. Place the new diaphragm with the retainer plate on the
connecting rod (K).
23. Screw in the retainer plate (E) clockwise with the wrench
for retainer plate and hand tighten.
24. Place the intermediate plate (D) on the housing according
to the pencil marking.
25. Place the head plate (C) on the intermediate plate (D) ac-
cording to the pencil marking.
26. Uniformly tighten the hexagon socket head cap screws
(Y) crosswise.
27. Check the pump for smooth running by turning the fly-
wheel (I).
28. For two-headed pumps:
Perform work steps 3 to 25 on the second head.
29. Remount the housing cover (H).
30. For two-headed pumps only: Remount the pneumatic con-
nection.
31. Checking the pump head (pump heads) and the pneu-
matic connections for leaks:
Servicing
DE
EN
FR
ES
IT
45