36
Servicing schedule
Cleaning the fan(s)
WARNING:
First of all cut the power supply to the boiler
Remove the fan and clean the blades from the
incrustations.
Normally to clean it properly we recommend you
use compressed air or scrape the dirt off.
If the incrustations are more resistant, due to the formation of
condensate or tar tears , clean very carefully in order not to
bend or deform the blades. This could make the fan noisy during
operation and could reduce the fan’s performances.
Cleaning the primary and secondary air distributor.
Remove the central wall (fig. 30) where the air adjustments
are placed and clean the inner space carefully from tarry
residues, dust and wood flakes which have entered through
the primary air holes. Clean the secondary air passages
carefully with a soft brush.
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