29
By pass screw
WARNING: Servicing shall only be carried out
by authorised personnel.
Substitution of the nozzles
- Remove the grills;
- Remove the caps and baffles from the burners;
- With a tubular spanner no. 7 unscrew and remove
the nozzles substituting them with those
corresponding to the type of gas used (see table
on page 26);
- Remount the parts carrying out the operations
described in reverse. Upon completion remove
existing gas type label and stick the relevant gas
type label near the gas supply pipe.
If the pressure of gas used is different (or variable) from
that foreseen an appropriate pressure regulator should
be installed on the entry tube. In case pressure regulators
for U-LPG are used these should conform to the
regulations in force.
Regulation of the minimum
To regulate the minimum:
- bring the tap to the minimum flame position.
- extract the knob.
- in case of conversion from natural gas to U-LPG,
tightly screw the by-pass screw (see picture);
- when converting from U-LPG to natural gas
unscrew about ½ turn by-pass screw, until a regular
small flame is reached.
Finally check that by quickly turning the tap from the
maximum position to the minimum position the burner
is not extinguished; remount the parts carrying out
the operations described in reverse.
Adaptation to different types of gas
FO 0392
)
)
Tap
Burner
Ø By-pass
of tap
1/100 mm
Auxiliary
28
Semi-rapid
35
Triple crown
56