Servicing - KNF N 816 Translation Of Original Operating And Installation Instructions

Diaphragm pump N 816
Conditions
Translation of original Operating and Installation Instructions, english, KNF 312649-312652 02/23
9.

Servicing

9.1. Servicing schedule
Component
Pump
Tube connection
Diaphragm and valve
plates/sealings
Tab. 13
9.2. Cleaning
When cleaning, make sure that no liquids enter the inside of
the housing.
9.2.1. Flushing pump
 Flush the pump under atmospheric conditions some minutes
with air (or, if necessary for safety reasons, with an inert gas)
prior to switch-off.
9.2.2. Cleaning pump
Motor disconnected from mains and de-energized

Health hazard due to dangerous substances in the
pump!
Depending on the substances transferred, caustic
burns or poisoning are possible.
WARNING
 Wear protective clothing if necessary, e.g. pro-
tective gloves.
 Clean pump with suitable measures.
Danger of burns from hot pump parts
The pump head or motor may be hot even after the
pump has been shut off.
CAUTION
 Allow the pump to cool off after operation.
 As far as possible, clean the parts with a dry cloth. Solvents
should not be used as they can attack the plastics, and syn-
thetic rubber parts.
 If compressed air is available, blow out the components.
Servicing interval
Regular inspection for external
-
damage or leaks
Regular inspection for external
-
damage or leaks
Replace if pump's pressure or flow
-
rate change without apparent rea-
son
Replace at the latest, when pump
-
output decreases
Servicing
39