KNF N87.9, Инструкции по эксплуатации и монтажу, Страница: 21 / 32

Diaphragm pump N87.9 Servicing
Translation of Original Operating and Installation Instruction, english, KNF 121538-121541 11/22 21
8 Servicing
NOTICE
Servicing the pump
Damage to the pumps can result from failure to
observe the applicable legal regulations and pro-
cedures for the location or intervention by un-
trained or uninstructed personnel.
à
Servicing may only be performed according to
the legal regulations (e.g. work safety, envi-
ronmental protection) and provisions.
à
Servicing may only be performed by special-
ized personnel or trained and instructed per-
sonnel.
8.1 Servicing schedule
Component Servicing interval
Pump
à
Perform periodic inspections for
external damage or leakage.
à
Periodically check for noticeable
changes to noises and vibra-
tions.
Gas connections
à
Perform periodic inspections for
external damage or leakage.
Tab.12
8.2 Cleaning
8.2.1 Flushing the pump
When transferring dangerous and environmentally hazardous media, KNF
recommends flushing the pump with air at atmospheric pressure for a few
minutes prior to switch-off (if necessary for safety reasons: with an inert
gas) to extend the service life of the diaphragm.
à
Discharge the media safely.