17
Adjustment of the oven
burner minimum
To be effected only for the oven burner
(as the grill burner has an only fixed
input) operating on the thermostat as fol-
lows:
– Light the oven taking the knob to Max.
position.
– remove the knob and by a thin screw-
driver (3 mm section - 100 mm long)
unscrew of about a half turn the screw
by-pass G, passing through the front
panel hole (fig. 3.12)
– fit the knob and let the oven heat for
10 minutes, then take the knob to
position 150 allowing the thermostat
to work under by-pass.
– after further removal of the knob, stop
slowly the screw by-pass G (being
careful not to turn the knob rod) until
the flame reaches 3-4 mm high.
N.B. For LPG the by-pass screw must
be fixed thoroughly.
G
Fig. 3.12
Flame correct
Flame faulty in
primary air
Flame with excess
primary air
If the gas tap becomes stiff, it is necessary to dismount it accurately clean it with
gasoline and spread a bit of special grease resistant to high temperatures on it.
The operations must be executed by a qualified technician.
Lubrication of the gas taps