7.1. Reset to maintenance state
●
Disconnect the compressed air hose of the external compressed air supply from the insert
sleeve (see chapter 2.1).
●
Empty the compressed air tank by pressing the "TEST" button of the pulse generator three
times in a row.
●
Switch off the unit. Unplug the mains plug. Secure the unit against unauthorized restarting
during maintenance.
●
After completion of all maintenance work the unit can be reconnected to the power supply and
the external compressed air supply.
7.2. Cleaning the filter cartridges
The filter cartridges are reusable filters and can be cleaned. The cleaning of the filter cartridges is
automatically carried out, according to a preset time interval.
The filter unit remains in operation during the automatic cleaning. The compressed air blast is produced
in opposite direction to the intake. The cleaned dust falls downwards in the dust collecting tank.
When the maximal admissible differential pressure value is reached, the device triggers an alarm (see
chapter “description of the control elements”). If despite of the automatic cleaning of the filter cartridge
the alarm value is not undercut anymore, the filter cartridge must be replaced. (see chapter: “Replacing
the filter cartridges”).
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