Servicing
Diaphragm pump N026 EX
26
Translation of Original Operation and Installation Instruction, english, KNF 059217 11/19
9 Servicing
9.1 Servicing schedule
WARNING
Risk of explosion from wear
à
Have the connecting rod bearing replaced by
KNF according to servicing schedule.
à
Have the motor bearing replaced by KNF ac-
cording to servicing schedule.
WARNING
Risk of explosion if original parts are not used
If original parts are not used, the pump loses its
explosion protection properties. Furthermore, the
function of the pump and it safety are lost.
The validity of the CE conformity is rendered void
if original parts are not used.
à
Use only original parts from KNF during ser-
vicing work.
Component
Servicing interval
Pump
à
Inspect the pump periodically for
external damage or leakage
Diaphragm and reed valves or valve
plate(s)
à
At the latest, replace when the
pump flow rate decreases
Connecting rod bearing
à
Have replaced after 17,000 op-
erating hours or after no more
than 24 months
Motor bearing
à
Have replaced after 17,000 op-
erating hours or after no more
than 24 months
Gas connections
à
Inspect the pump periodically for
external damage or leakage
Tab. 29