Kessel Aquapump Medium LW 600 Instructions De Pose Et D'utilisation page 28

6 Maintenance
Observe EN 12056-4 for maintenance.
6.1 Functional test - cleaning
Carry out maintenance on pump and riser pipe
NOTICE
Disconnect system from energy sources!
Ensure that the electrical components are dis-
connected from the electrical power supply dur-
ing the work.
Open the one-handed closure.
Pull out the riser pipe complete with pump using the han-
dle.
Check the pump parts for deformation and deposits, con-
tact KESSEL service department if necessary.
Ensure the moving parts can move easily.
Pull out the alarm probe.
clean both in a water bath if necessary.
Pull out the submersible pressure switch out and clean
with water.
Carry out a visual check of the fitting components.
Carry out maintenance on the backflow preventer
Open the one-handed closure of the backflow preven-
ter.
Pull away threaded connection with backflow preven-
ter.
CAUTION
Accumulated wastewater flows out!
Clean the threaded connection with backflow preventer in
a water bath.
Make sure that the non-return flap can move freely.
Check the chamber system for heavy soiling, clean if nec-
essary. Sharp devices are not suitable.
Check the electric components
Check the connection pipes for mechanical damage.
Carry out isolation measurement of the pump.
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Unclip the protective tube,
Installation and operating instructions 328-198_03