Cleaning The Combustion Chamber - Viessmann VITOLIGNO 250-S Operating Instructions Manual

Cleaning the sight glass
4. Reinstall the sight glass by following the above
steps in reverse order.

Cleaning the combustion chamber

Fig. 37
Combustion chamber maintenance cover
A
1. Remove combustion chamber maintenance cover
with a suitable tool such as a screwdriver.
A
Undo all wing nuts from the maintenance cover
underneath it. Remove the maintenance cover.
2. Check the gaskets for wear and damage. Replace
these if required.
3. Push the ash down using the cleaning implement or
remove it with an ash vacuum cleaner.
4. Remove the ash from the combustion chamber
through the opening of the baffle brick.
5. Install the maintenance cover. Tighten the wing nuts
by hand.
Fasten the cover.
(cont.)
A
Maintenance
47