Bartscher 70 Serie Manual página 86

The following maintenance operations have to be carried out at least once a year by specialized
personnel. It is advisable to have a maintenance contract.
x Check for correct functioning of all control and safety devices;
x Check for correct ignition of burners and proper functioning at minimum;
x Check the thightness of the gas pipes;
x Check the condition of the power cable;
x Clean the evacuation pipes of type "B" appliances, following the prescriptions in force in the
country of installation;
x The gas tap should be lubricated, but this operation is quite difficult and its results are not very
reliable. Therefore, it is advisable to substitute the gas tap
ATTENTION! Before carrying out any substitutions, make sure that the appliance is
disconnected from the electric mains and that the gas cut-off valve is closed.
Safety cock in open rings and all hotplate
In order to replace the cock, remove the knobs and the control panel; then, unscrew in sequence the
pipe union of the piping which goes to the burner, the pipe union of the piping of the pilot burner,
the thermocouple and finally, the pipe union of the ramp. Replace the cock.
Safety thermostat of the oven and maxi oven
In order to replace the oven thermostat, remove the knobs and the control panel of the oven; then,
unscrew in sequence the pipe union of the piping which goes to the burner, the pipe union of the
piping of the pilot burner, the thermocouple and finally, the pipe union of the ramp. Replace the
thermostat.
Thermocouple of open rings
In order to replace the thermocouple of the open-flame gas rings, remove the knobs and the control
panel, the pan support grill, the gas ring, the burner unit and the drip pan. Unscrew the fitting of the
thermocouple on the cock, take out the pilot unit and replace the component.
Oven thermocouple and maxi oven
In order to replace the oven thermocouple, remove the knobs and the oven control panel. Then,
unscrew the fitting of the thermocouple on the cock and the one on the pilot uni. Replace the
component.
All hotplate thermocouple
In order to substitute the thermocouple of the all hotplate, remove the knobs and take off the control
panel. Unscrew the fitting of the thermocouple on the cock and the one on the pilot unit; then,
replace the component.
Fan of the ventilated electric oven (fig. 49, p. 16)
In order to replace the fan of the ventilated electric oven, unscrew the fixing screws (1) of the
protection shield (2); remove the protection shield; unscrew the blocking nut (3) of the fan (4) and
extract it. Then replace it. In order to assemble the fan proceed in reverse.
SUBSTITUTING COMPONENTS
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