Removing The Heat Exchanger; Removing The Spark Generator - Ariston Type C Installation, Servicing And Operating Instructions

18.2.7 Removing the heat exchanger

1. Carry out step 18.1.1;
2. Remove the air gas manifiold as in
18.2.1 (Fig. 73);
Fig. 73
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. Unscrew the three bolts M from the
main heat exchanger (Fig. 74);
Fig. 76
3. Disconnect the ignition electrode,
live, neutral and earth cables from
the ignitor. (Fig. 78);
Fig. 77
4. Remove the flow and return pipes
M
Fig. 74
Fig. 78
and the condense drain pipe from
the heat exchanger. (Fig. 75);
4. Remove the two screws N from the
ignitor and remove (Fig. 79);
5. Reassemble in reverse order.
N
Fig. 75
Fig. 79
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