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5.5
Adjustments
• Always disconnect the appliance
from the electricity supply before
making any adjustment.
• All seal must be replaced by
the technician following any
adjustment or regulation.
• The adjustment of the reduce
rate (simmer) must be undertaken
only with burners functioning on
natural gas while in the case of
burners functioning on L.P.G, the
screw must be locked down fully
(in clockwise direction).
• “Primary air adjustment” on hob
gas burners is unnecessary.
Taps
All gas taps are male cone type with only
one way of passage.
Adjustment of the
“Reduced rate”
position as follows (fig. 10):
• Turn the burner on and place the knob on
the “Reduced rate” position (small flame).
• Remove the knob of the tap which is
attached by simply applying pressure
to the rod.
• Insert a small screwdriver
1
into the
top shaft and turn the throttling screw
left or right until flame of the burner is
conveniently regulated to the low position.
• Check that the flame does not go out
when the knob is sharply switched
from the “Full on” to “Reduced rate”
positions.
Attention!
This operation can be
carried out also with the front panel
fitted, but if you find some difficulties
to reach the adjustment screw,
remove the front panel unscrewing
the fixing screws, which are
positioned in the inferior part of the
same and make to slip downwards.
Gas information
To tighten some components apply the
following torque forces:
Aluminium pipes to burners, valves,
thermostats: 15 Nm
Thermocouples to top burners cups:
3 Nm
Thermocouples to thermostats: 4 Nm
Push-on connector: 20 Nm
Injectors: 4 Nm
fig. 10
5.6
Conversions
Replacing the injectors
Our burners can be adapted to different
types of gas by simply installing the
injectors suitable for the gas you want to
use.
To change the injectors on the hob,
remove the burner cup and head and with
a 7 mm Ø socket spanner replace them
(fig. 11).
To help the installer, the table in the
“TECHNICAL INFORMATION” section.
gives the burner nominal heat input,
injector diameter and operating pressure
of the different gas types.
After having replaced the injectors,
it will be necessary to proceed with
burner adjustment as explained in the
previous paragraphs. The technician
must replace any seals after the
adjustments have been made.
fig. 11
2
