Maintenance
89
The O-ring at the back is now accessible:
Fig. 46: O-ring at the back of the combustion tube
8. Pull off the O-ring (
3
) and put a new one on (Part No. 70380).
The O-ring should be at a distance of approx. 2 cm from the end of the tube.
9. Install the dust box again, see
”.
10. Put the furnace locking device back
on, see “
”.
The O-rings have been replaced.
3