Ariston Type C - Removing the Heat Exchanger; Removing the Spark Generator

47
18.2.7 Removing the heat exchanger
1. Carry out step 18.1.1;
2
.
R
emove the air gas manifiold as in
18.2.1 (Fig. 73)
;
3
.
U
nscrew the three bolts
M f
rom the
main heat exchanger (Fig. 74);
4
.
R
emove the flow and return pipes
and the condense drain pipe from
t
he heat exchanger. (Fig. 75);
5. Remove the heat exchanger from
the boiler by sliding out. (Fig. 76);
6. Reassemble in reverse order.
18.2.8 Removing the spark generator
1. Carry out step 18.1.1;
2. Disconnect the earth cable from the
ignition electrode. (Fig. 77);
3. Disconnect the ignition electrode,
live, neutral and earth cables from
the ignitor. (Fig. 78);
4. Remove the two screws N from the
ignitor and remove (Fig. 79);
5. Reassemble in reverse order.
Fig. 73
Fig. 74 Fig. 75
Fig. 76
Fig. 77
Fig. 78
Fig. 79
M
N