10
E
Fig. 3
3.
Remove combustion residues from the flue pipe
and the flue outlet through cleaning aperture
E
in
the flue outlet using a vacuum cleaner.
Checking all gaskets and packing cords on the flue gas side
Danger
Leaks can result in a risk of poisoning through
escaping gas.
Check gaskets carefully.
Checking the thermal insulation components on the boiler door
If work needs to be carried out on the thermal insula-
tion, observe the following:
Danger
When working with high temperature insulating
materials that contain zirconium or aluminium
silicate ceramic fibres, fibre dust may develop.
This fibre dust can be harmful to health.
Only trained personnel may adjust or replace
the insulation. Wear suitable protective clothing,
especially breathing equipment and safety gog-
gles.
Commissioning, inspection, maintenance
Cleaning the internal pipes, heating surface,…
(cont.)
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