16 Maintenance
4.2 Emptying the dust chamber
• Remove the filter unit (see section 4.1 on page 15).
• Empty the contents of the dust chamber into a bin.
• Where required, clean the dust chamber with a damp cloth and allow the dust
chamber to dry completely before assembly.
4.3 Inserting the filter unit
• When inserting the filter unit
5
ensure that the larger tray
5a
of the filter
unit points towards the release key
2
on the dust chamber
1
.
• Keep the release key pressed down and push the filter up to the stop in the
dust chamber.
Fig. 4.3 Emptying the dust chamber
1
5a
2
5
Fig. 4.4 Inserting the filter unit