Diaphragm pump N820.18 CN / N840.18 CN
Servicing
Translation of Original Operating Instruction, KNF 317428-338560 06/22
31
10.2 Cleaning
NOTICE
During cleaning work, ensure that no
fluids enter the interior of the housing.
10.2.1 Flushing the pump
WARNING
Personal injury through poisoning or
explosion and damage to the pump
à
When flushing the pump with inert
gas, ensure that the gas ballast
valve is closed and that no reac-
tive or explosive mixtures form.
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).
10.2.2 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.
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