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 - Check that the cables have been connected correctly;
d -Check that the r ubber gasket seals the cable/
electrode connection point completely.
F
IG
. 6.14
F
IG
. 6.15
H
1. Drain the boiler of water;
2. Remove the side panels (see 6.2.3)
3. Remove the overheat thermostat sensor “I” (F
IG
. 6.16);
4. Remove the clips “J” (F
IG
. 6.16);
5. Release the connection nut “K” (F
IG
. 6.17);
6. Release the connection nut “L” (F
IG
. 6.18);
7. Pull down the pipe (F
IG
. 6.19);
4. Pull the exchanger out (F
IG
. 6.20).
6.3.4 Removing the main heat exchanger
F
IG
. 6.17
K
L
Fig. 6.16
J
J
F
IG
. 6.18
I
