37
icos - Installation & Servicing
SERVICING
57
FLAME DETECTION ELECTRODE REPLACEMENT
1. Refer to Frame 52.
2. Remove the boiler front panels and
inner sealing panel. Refer to
Frames 45 and 46.
3. Unplug the flame detection lead
from the electrode.
4. Remove the burner. Refer to
Frame 48.
5. Remove the 2 screws holding the
flame detection electrode to the
combustion chamber.
6. Remove the flame detection
electrode.
7. Fit the new flame detection
electrode, using the new gasket
supplied. Check dimension as
shown.
8. Reassemble in reverse order.
9. Check operation of the boiler. Refer
to Frame 52.
56
IGNITION ELECTRODE REPLACEMENT
1. Refer to Frame 52.
2. Remove the boiler front panels and inner
sealing panel. Refer to Frames 45 and 46.
3. Unplug the ignition lead from the electrode.
4. Remove the burner. Refer to Frame 48.
5. Remove the earth lead from the ignition
electrode.
6. Remove the remaining screw holding the
ignition electrode to the combustion
chamber.
7. Remove the electrode.
8. Fit the new ignition electrode, using the new
gasket supplied. Check dimensions as
shown.
9. Reassemble in reverse order.
10. Check operation of the boiler. Refer to
Frame 52.
nm8118
15mm + 1
(HE30, HE36)
Straight Edge
-
nm8148
16mm + 1
(HE30, HE36)
1
Straight Edge
-
SERVICING
5
6
5
202414-6.pmd 19/02/2008, 13:0737