Removing the combustion chamber stones
Slightly push the front and rear combustion chamber
stones apart with a jack, for example, so that the
stones can be released more easily. Preferably insert
a formwork panel (or a piece of wood).
Fig. 3-3: Jack
Remove the left and right combustion chamber stones.
The combustion chamber stones on the opening
can be lifted with a suitable tool.
Due to the heavy weight of the combustion chamber
stones in sizes 3 (105-140 kW) and 4 (180-220 kW),
use a lifting crane if necessary.
Remove the jack and then remove the front and rear
combustion chamber stones.
Replacing the seals
Remove the seals under the combustion chamber
stones.
Clean the sealing surfaces and the combustion
chamber with a vacuum cleaner.
Fig. 3-4: Cleaning the combustion chamber
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