Ariston System A 30 RFF Manual Do Utilizador

Fig. 49

Fig. 50

Fig. 51

Fig. 52

Fig. 53

Fig. 54

Fig. 55

Fig. 56

Fig. 57

1. Isolate the gas supply to the boiler;
2. Carry out step 18.1.1;
3. Remove the silencer (Fig. 49);

9. Remove the air gas assembly and 

combustion chamber front (Fig. 57);

10. Reassemble in reverse order.

4. Disconnect the detection electrode

cable (Fig. 50);

5. Remove the earth cable from the

ignition electrode (Fig. 51), and
remove the ignition electrode cable
from the ignitor (Fig. 52)

6. Unplug the gas valve and fan connectors (Figs. 53 and 54);

7. Unscrew the 4 nuts D on the

combustion chamber (Fig. 55);

8. Unscrew the gas valve nut E

(Fig. 56);