KNF N 813.3 AN.29DC-B, Перевод оригинальных инструкций по эксплуатации и установке

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Diaphragm Vacuum Pumps N 813 Servicing
Translation of original Operating and Installation Instructions, english, KNF 121240-121506 09/19 29
8. Servicing
8.1. Servicing schedule
Component Servicing interval
Pump Regular inspection for external damage
or leaks
Hose connections Regular inspection for external damage
or leaks
Diaphragm and valve
plates Replace when pumping capacity de-
creases, or sooner
Silencer (accessory) Change if it is dirty
Tab. 12
8.2. Cleaning
When cleaning, make sure that no liquids enter the inside of
the housing.
8.2.1. Flushing the pump
➔
Before switching off the pump, flush it with air (or with inert gas
if required for safety reasons) under atmospheric conditions
(ambient pressure) for about five minutes.
8.2.2. Cleaning the pump
▪
Pump disconnected from mains and de-energized.
WARNING
Dangerous substances in the pump can
cause a health hazard.
Depending on the substance transferred, caustic
burns or poisoning are possible.
➔
Wear protective clothing if necessary, e.g.
protective gloves.
➔
Take the proper steps to clean the pump.
CAUTION
Danger of burns from hot pump parts
The pump head or motor may be hot even after the
pump has been shut off.
➔
Allow the pump to cool off after operation.
➔
Solvent should be used for cleaning only if the head materials
are not corroded (ensure compatibility of the material).
➔
If compressed air is available, blow out the parts.
Requirements