024-03 - Gas cooker
9
MAINTENANCE
The following maintenance programme should be carried
out at least once a year:
- Check that all the safety and setting devices are
working properly;
- Check that the burners are working properly with re-
gard to:
- ignition
- combustion safety;
- Check the functions of the appliance as described in
paragraph "Checking the functions" page 9.
If the main burner needs cleaning, proceed as follows:
a ) Gas rings:
remove the pan support, the flame distri-
butor, the crown and the burner supports;
b)
clean the parts with water and detergent, rinse and
dry;
c)
when reassembling the parts, make sure you replace
them in the right order.
Cleaning the oven burner
To gain access to the oven burner, remove the floor (from
inside the oven cavity).
Remove screws D (Fig. 3) and remove the burner by pul-
ling it forwards.
Clean the burner with water and detergent; to unblock the
holes, use a suitably sized prong.
REPLACING PARTS
All parts must be replaced by authorised technicians
only!
To replace the following parts first remove all the control
knobs and the control panel (after loosening the fixing
screws), then disconnect the ignition lead.
Gas ring ignition plug (Fig. 2)
Remove the pan support, the flame distributor, the crown
and the the burner crown support, pull out the spring
using a pointed tool, remove the ignition plug from the bot-
tom, disconnect the ignition lead and insert a new plug.
Gas ring tap (Fig. 2)
Loosen the gas piping and thermocouple fixing screws,
then loosen the screws fixing the gas supply to the gas
ramp and insert a new tap.
Gas ring thermocouple (Fig. 2)
Loosen the screws fixing the thermocouple to the gas tap
and the burner. Insert the new part. After replacing the
parts, fit the control panel back into place.
Oven ignition plug (A - Fig. 3)
Remove the floor, unscrew the lock nut and the cable, in-
sert the new ignition plug, making sure that the cable is re-
inserted correctly.
Oven gas tap (A - Fig. 3)
Loosen the nuts on the thermocouple and on the gas pi-
pes, draw the thermostat bulb out from the supporting cli-
ps inside the oven cavity and replace the tap with a
new one.
Oven thermocouple (L - Fig. 3)
Remove the floor, unscrew the nut on the tap and the bur-
ner and replace the thermocouple.
After having disassembled the various pieces, the control
panel cover must be replaced.
Plug of ventilated gas oven
(Fig. 2B - Pos. 6)
Unscrew the fastening screws and remove the lower pa-
nel, extract the ignition wire and unscrew the screws (15).
Insert a new plug.
Ventilated gas oven gas valve (Fig. 3A)
Loosen the fittings (1,2,3,4 in fig. 3A and 1,2,3 in fig. 3B)
which are for the connection for the gas pipe and the ther-
mocouple, remove the coil of the thermostat from its place
in the cooking chamber and put in a new piece in the re-
verse sequence.
Ventilated gas oven thermocouple
(Fig. 2B and 3)
Unscrew the screws (15) and the nut (16) for fastening the
thermocouple to the extension of thermocouple and insert
the new piece.
Ventilated gas oven main burner
(Fig. 2B)
Unscrew the fastening screw (19) of the main burner and
replace it with a new one. See also oven burner cleaning,
para. 6.7).
Fan for gas ovens GN 1/1 (Fig. 4A)
To replace the fan, remove the fan cover rear wall.
Remove the fan (1) by loosening the locking nut (2).
Loosen the bolts (3) that hold the plate (4) which supports
the motor (5) on the oven, pull the plate forward with the
motor and relative wires, remove and re-install in reverse
order.
WARNING
Every time a replacement involving gas input parts is
made, recheck all functions and test for leakage.