47
18.2.1 Removing the air gas assembly
1
.
C
arry out step
1
8.1.1
;
2. Remove the silencer (Fig. 51);
18.2 Access to the Combustion Chamber
D
7. Remove the air gas assembly
and combustion chamber front
(Fig. 59);
8. Reassemble in reverse order.
3
.
D
isconnect the detection
electrode cable (Fig. 52);
4
.
R
emove the earth cable from the
ignition electrode (Fig. 53), and
remove the ignition electrode
cable from the ignitor (Fig. 54);
5. Unplug the gas valve and fan
connectors (Figs. 55 and 56);
6. Unscrew the 6 nuts D on the
combustion chamber (Fig. 57);
7. Unscrew the gas valve nut E
(Fig. 58);
Fig. 51
Fig. 52
Fig. 53
Fig. 54
Fig. 55
Fig. 56
Fig. 57
Fig. 58
Fig. 59
E