Maintenance
82
10.2.3.4
Installing the dust box
The following diagram shows the back of the HTFr with combustion tube inserted:
Fig. 40: Back of the HTFr with combustion tube inserted
Install the dust box as follows:
1. Ensure that the combustion tube has been inserted, see
”.
2. Slide the rear cover plate (1) of the dust box on the back of the HTFr onto the back end of
the combustion tube (
2
).
3. Slide the O-ring (
3
) onto the back end of the combustion tube (
2
).
The O-ring should be at a distance of approx. 2 cm from the end of the tube.
1
2
3
