7.4. Emptying the dust collecting tank
The dust collection container must be cleaned after a certain number of operating hours. This range
depends on the amount of dust. The filling level has to be proofed at least once a week.
CAUTION
Whirling up dust is possible due to the polluted filter cartridges.
The filter cartridges must be cleaned before emptying the dust collecting tank. This is done
by carrying out a manual cleaning three times. A manual cleaning is carried out by pressing
the "TEST" button of the pulse generator. After the cleaning, disconnect the filter unit from
the power supply and secure it against being switched on again.
●
Open the lower toggle levers (see chapter 2.1). This allows the upper housing parts to be
separated from the dust collecting tank.
●
Carefully empty the dust from the dust collecting tank. Dispose of or store the dust according to
the regulations.
●
Put the housing parts back on top of each other. Reconnect the housing parts by means of the
toggle levers.
7.5. Replacing the carbon brushes
The turbine must be checked after every 300 operating hours on carbon brushes which must be
replaced if necessary. Please consider that replacement interval of the carbon brushes can vary. When
turning on and off the unit frequently the collector of the turbine wears out differently what consequently
has an influence on change interval of the carbon brushes. The turbine is subject to abrasive wear as
well. Its average life span is about 600-800 operating hours.
●
Remove the cover plate (see chapter 2.1).
●
Pull the blade receptacle of the mains line out of the blade terminal of the carbon brush.
●
Press the barb of the carbon brush down and withdraw the carbon brush.
●
Insert the new carbon brush until the barb locks into place.
●
Put the blade receptacle of the mains supply on the blade terminal of the new carbon brush.
●
Mount the cover plate.
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