Maintenance
73
10.2.2.2
Cleaning the dust box
The following diagram shows the back of the HTFr with open dust box:
Fig. 30: Back of the HTFr with open dust box
Clean the combustion tube and the dust box as follows:
1. Open the dust box, see
”.
2. Clean the dust box (
1
) using a brush and a vacuum cleaner.
3. The dust box has been cleaned.
1
3
2