Replacing the injectors
Remove the gas rings and burner caps from the hob.
Using a face spanner, replace injectors “J” (fig. 55) with those ideal for the gas to be used.
Remount
the
burners.
The burners do not require primary air regulation
Regulating the minimum
Having replaced the injectors, switch on the burner and remove the knob. Place the valve on minimum, insert a
screw into the rod: screw to decrease the flame, unscrew to increase it (fig. 55)
Completely screw the adjuster screw for G30/G31 gas
In any case the result should be a small homogeneous flame which is even all around the burner crown.
Finally, check that the flame does not go off when rapidly turning the valve from maximum to minimum. With
safety burners, check that the flame slightly brushes the thermoelectric couple. Check correct regulation by
leaving the burner on for a few minutes. If it goes off, increase the minimum.
CLEANING
To preserve the hob well it needs to be cleaned regularly after every use, when it has cooled down.
Never remove the knobs from their housing
Enamel parts
All enamel parts should only be washed with a sponge and soapy water or other specifically non-abrasive
products. Dry completely.
Steel plane
The stainless steel plane should be cleaned with a damp cloth and specific products that are found in shops.
After rinsing, dry with a chamois leather if possible.
Gas rings
The hob’s enamel gas rings were designed to be washed also in dishwashers.
Stainless steel rings can turn blueish in the burner area because of the heat. Common sponges for steel can be
used to decrease this effect.
Burners
The burners are made up of two pieces and can be removed and cleaned with suitable products. After cleaning
they must be completely dry and replaced exactly into their housings.
Models with electrical ignition: make sure that electrode “E” (fig. 57) is always clean.
Models with safety devices: clean probe “T” (fig. 57) so that the safety valve works properly. The electrode and
the probe must be cleaned carefully.
Afterwards, replace the burners precisely into their housings.
To avoid damaging the electric ignition, avoid using it when the burners are not in place.
Electric plates
The electric plates should be cleaned when they are still warm.
Clean with a damp cloth and finish off with a cloth dipped in mineral oil.
MAINTENANCE
The apparati do not need particular maintenance, all the same we recommend a full check at least once every
two years.
Should the knob rotation become hard or there is a smell of as, close the general valve and call technical
assistance.
The faulty valve should be replaced together with its gasket.
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