KNF LABOPORT N820.18 EX Operating Instructions Manual page 98

Servicing
38
Chemically-resistant Laboratory pump N820.18 EX / N840.18
WARNING
Component
Pump
Diaphragm and valve plates/
seals
Tab.19: Servicing schedule
11.2 Cleaning
NOTICE
Translation of Original Operating Instruction, KNF 317428-317425 05/21
Risk of injury when not using original
parts
Failure to use original parts will result
in a loss of pump functionality and
safety.
The validity of the CE conformity is
rendered void if genuine parts are not
used.
à
Use only genuine spare parts
from KNF when performing main-
tenance/repair work.
Servicing interval
à
Inspect the pump periodi-
cally for external damage
or leakage.
à
Periodically check for no-
ticeable changes to
noises and vibrations.
à
At the latest, replace
when the pump flow rate
decreases.
During cleaning work, ensure that no
fluids enter the interior of the housing.
EX