AIR ADJUSTMENT PRINCIPLE DRAWING
WRONG ADJUSTMENT
Combustion head
Air passageway
wide open
Combustion air inlet
with gate almost completely
closed
CORRECT ADJUSTMENT
Air passageway fairly
closed
Attention: do not close
completely
Combustion air inlet
with gate valve noticeably open
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Combustion head fastening and
control knobs
Combustion head
Combustion head fastening and
Pomelli di comando e fissaggio
testa di combustione
control knobs