Technical information

44
To replace, repeat the steps in reverse order, paying
particular attention to the following:
a - Centre the electrode in the positioning hole carefully,
otherwise the electrode may break;
b -Ensure that the left hand and right hand electrodes are
located the correct way round (facing each other), to
give the correct spark gap;
c -Chec
k that the cab
les have been connected correctly;
d -Check that the rubber gasket seals the cable/
electrode connection point completely.
FI
G
. 6.13
FIG. 6.14
H
1. Drain the boiler of water;
2. Remove the side panels (see 6.2.3)
3
.
R
emove the overheat thermostat sensor “H” (F
IG.
6.15);
4
.
R
emove the clips “I” (F
IG.
6.15);
5. Release the connection nut “J” (FIG. 6.16);
6. Release the connection nut “K” (FI
G
. 6.17);
7. Pull down the pipe (FIG. 6.18);
4. Pull it straight out (FIG. 6.19).
6.3.4 Removing the main heat exchanger
FIG. 6.15
FIG.
6.16
FIG.
6.17
H
I
J
K
I