Performing Maintenance
FAM 25/45/60/75/95
en(us)
Page 91/160
BEWA FAM25-95 3402054f en(us) 2013-06-13
2013-06-13
6.
Remove the cover plate (
1
), the level switch (
2
)
and the bung plug (
3
) from the filling opening.
Fill the pump with hot water (60-65°C) through
the filling opening or the opening for the level
switch until the water emerges from the filling
opening.
Close the filling opening with the bung plug.
Fill the VacuCleaner with ~ 1.75 liters through the
level sensor opening.
Install the level sensor.
Start the vacuum pump in manual mode.
Use the vacuum gauge to set the vacuum of the
vacuum column to ~ 250 mbar (abs.).
7.
After around 5 minutes, drain 2 liters of the
VacuCleaner into the measuring beaker.
8.
Carefully fill the VacuCleaner that has been
collected into the outlet nozzles of the vacuum
pump.
9.
Fasten the suction line.
Operate the vacuum pump for around 45 minutes
in manual mode.
10. Empty the vacuum pump through the evacuation
line.
11. Remove the bung plugs from the level switch
opening and the filling opening.
12. Rinse the vacuum pump with tap water through