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Servicing Instructions
10.3
Access to the Combustion Chamber
10.3.1 Removing the combustion cover
1. Remove the screws "E" (F
2. Lift off the combustion cover.
E
E
10.3.2 Removing the burner and jets
1. Remove the screws "F" from the burner (F
2. Remove the burner (F
IG
3. Disconnect the electrodes (see
4. Remove the jets using a No. 7 socket spanner;
5. Replace in reverse order.
F
. 10.11
IG
F
F
Fig. 10.12
. 10.10);
IG
E
E
F
IG
. 10.11);
IG
. 10.12);
10.3.3);
SECTION
10.3.3 Removing the electrodes
Before carrying out this procedure, unscrew and slide the burn-
er forward (see previous section).
1. Remove rubber gasket "G" (F
2. To remove the detection electrode disconnect the cab le at its
connection point close to the P.C.B. (F
3. Remove screw "H" (F
4. Gently slide the electrode downward (F
. 10.10
F
. 10.14
IG
F
. 10.16
IG
34
. 10.13);
IG
. 10.14);
IG
. 10.15);
IG
. 10.16).
IG
F
G
F
. 10.15
IG
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 ma y
break;
b - Ensure that the left hand and
right hand electrodes are
located the correct w
round (facing each other), to
give the correct spark gap;
c - Check that the cab les have
been connected correctly;
d - Check that the rubber gasket
seals the cab le/ electrode
connection point completely.
. 10.13
IG
H
ay
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