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1. After making sure you have cut off the gas supply, open the door and unscrew the two screws
fixing the pilot burner to the framework.
2. Unscrew the nuts fastening the thermocouple, the spark plug and the pipe of the pilot burner
(pos.7 of fig.5). Caution, in doing this keep the pilot unit on the inside of the framework, inserting
your hand from beneath.
3. Replace the pilot burner and the other defective parts of the assembly.
4. Screw the two screws, for fixing to the framework, back on and fit the pipe, thermocouple and
spark plug.
After these operations it is necessary to check the seal of the gas circuit and the efficiency
of the pilot burner.
7.1.3 Replacing the valve cock
1. After making sure you have cut off the gas supply, remove the door by unscrewing the screw
fixing it to the support.
2. Remove the water inlet knob (1 of fig. 3) and unscrew the two screws fixing the instrument
panel to the under-panel. Remove the instrument panel.
3. Disconnect from the valve the supply pipe, the pipe that goes to the burner and the one that
goes to the pilot burner and the thermocouple (pos. 1,4, 6 and 5 of fig. 6).
4. Disconnect the valve from the under-panel by unscrewing the two screws fixing it and replace it
with the new one.
5. Reconnect the gas pipes and the thermocouple in the same positions as before.
6. Refit the instrument panel with the two screws taken out beforehand, fit the water knob onto the
relative shaft and fix the front door to the support.
After these operations it is necessary to check the seal of the gas circuit, the efficiency of
the pilot burner and to repeat the adjustment operations.
FIGURES
