44
SERVICING
Keston Combi - Installation and Servicing
51
IGNITION ELECTRODE REPLACEMENT
1. Refer to Frame 45.
2. Remove the burner. Refer to Frame 48.
3. Unplug the ignition lead from the electrode.
4. Remove the earth lead from the ignition
electrode.
5. Remove the 2 screws holding the ignition
electrode to the combustion chamber.
6. Remove the electrode.
7. Fit the new ignition electrode, using the new
gasket supplied. Check dimensions as shown.
8. Reassemble in reverse order.
9. Check the operation of the boiler. Refer to
Frame 36.
Ignition Electrode
52
FLAME DETECTION ELECTRODE REPLACEMENT
Flame Detection Electrode
1. Refer to Frame 45.
2. Remove the burner. Refer to Frame 48.
3. Unplug the ame detection lead from the
electrode.
4. Remove the 2 screws retaining the detection
electrode.
5. Remove the electrode.
6. Fit the new ame detection electrode, using the
new gasket supplied.
7. Reassemble in reverse order.
8. Check the operation of the boiler. Refer to
Frame 36.
SERVICING
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