Servicing
Spare parts Spare part*
34
8.2 Cleaning
NOTICE
8.2.1 Flushing the pump
à
Before switching off, flush the pump with air at atmo-
spheric conditions (ambient pressure) for about 5 minutes
(if necessary for safety reasons: with an inert gas).
8.2.2 Cleaning the pump
à
Only clean the pump with a damp cloth and non-
flammable cleaning agents.
à
If compressed air is present, blow out the parts.
8.3 Replacing diaphragm and valves
8.3.1 Change diaphragm and valves (A_ version)
Diaphragm
Countersunk screw (D)
Valve spring
Seal
Tab.23: Spare parts
*According to spare parts list, Chapter 9.1 Spare parts [
** According to Fig. 5
Translation of Original Operating Instruction, KNF 121224-121388 04/23
Diaphragm pump N022.18, N026.18
During cleaning work, ensure that no
fluids enter the interior of the housing.
Item number**
(F)
(M, P)
(V)
Number per pump
head
1
1
2
1
}
48]