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7
D - Installation & Warnings
GAS TRANSFORMATIONS AND ADJUSTMENTS
Replacing the nozzles
If the equipment is adjusted for a type of gas that is
different from the original, it is necessary to replace
the burner nozzles as well. The nozzles used to
replace the original must be in accordance with the
table of the technical characteristics enclosed.
To remove the racks and burners by means of a
straight spanner ‘L’, unscrew the nozzle ‘U’ (Fig.8)
and substitute it with the corresponding one and
tighten the nozzle.
Adjusting the burners
The flame should always stay alight when the
burner is switched on, even if there is an abrupt
shift from the maximum to minimum flame position.
If the flame does not stay alight, adjust it as
follows:
Start the burner
Turn the tap up to the minimum position (small
flame)
Remove the knob from the tap rod
Using a flat-tip screwdriver ‘C’ into the hole ‘F’ of
the tap (fig.9) turn the by-pass screw up.
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MAINTENANCE
Lubricating the taps
In the case of tap hardening, it is necessary to
disassemble the tap and grease it.
Unscrew the two screws that lock the head flange
of the tap.
Lift the gas adjusting cone and carefully clean it
with gasoline or diluent.
Spread a little high-temperature grease on it,
making sure that the gas holes are not obstructed.
Reassemble all of the parts with care.
Replacing the power supply cable
If the power supply cable needs to be replaced,
it is necessary to use a cable with a section of
3x0.75mm
2
, type H05VV-F or H05RR-F, complying
with the regulations in force.
NOTE:
The connection to the terminal board must be
effected as shown in fig. 10 - 10A:
Brown cable L (phase)
Blue cable N (neutral)
Green-yellow cable (ground)
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