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Flame faulty
Flame
in primary
correct
air
long, yellow
clear interior
and trembling
blue cone
CAUSE
air regulating
correct
tube, too
distance of
closed
the tube
Flame correct
Flame faulty in
primary air
Flame with exces s
primary air
ADJUSTMENT
Flame with
BURNER MINIMUM
excess
primary air
Considering that in the minimum position
the flame must have a length of about 4 mm
short and sharp
too blue interior
and must remain lit even with a brusque
cone tending to
passage from the maximum position to that
detach
of minimum.
The flame adjustment is done in the
air regulating
following way:
tube, too
•
open
•
•
•
N.B. For G30/G31 (LPG) the by-pass
screw must be fixed thoroughly.
turn on the burner by setting the
thermostat knob on position Max
(maximum);
remove the knob and unscrew the
by-pass screw "G" (fig. 2.9) about
three times by passing a small flat
screwdriver (Ø 3 mm blade, 100 mm
length) through the panel opening;
re-mount the knob and let the oven
heat up for about 10 minutes, then
bring the knob to position 130
(minimum) to operate the thermostat
bypass;
after having removed the knob again
and being very careful not to turn the
tap rod, slowly screw the by-pass
screws "G" (fig. 2.9) until you obtain a
flame of 3-4 mm in height.
Fig. 2.9
OF
THE
OVEN
G
25
25
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