© Baxi Heating UK Ltd 2008
47
9.10 Electrodes/Burner
1. Perform General Access - See 9.2.
2. Remove the combustion chamber cover -
See 9.9.
3. Disconnect the ignition lead from the ignition
electrode and the sensing lead and earth
lead from the sensing electrode.
If replacing electrode(s), remove securing
screw(s) as appropriate.
4. Remove the securing screw at the right hand
side, hold the burner , apply greater pressure
at the right hand side and pull to disconnect
from the spring clips on the support bracket.
5. Transfer electrodes onto replacement burner
before re-fitting.
6. Re-assemble in reverse order.
Check that the gap between the electrode tip
and the burner face is 3 - 4 mm, adjustment
can be made by careful use of pliers.
9.11 Injector
1. Remove the Burner - See 9.10
Use a 13 mm (A/F) or 1/2” (A/F) socket
spanner to remove the injector.
2. Unscrew the injector.
3. Re-assemble in reverse order. Use a new
sealing washer on the injector and test for
gas soundness.
Remove
screw
Ignition electrode
Sensing electrode
Fig. 58
Fig. 59
9.11
9.10
Ignition lead
9.10
Ensure electrodes
are sat over flame
ports as shown
and have 3 - 4
mm gaps
between tip and
burner face.
1
2
Rear
Front
Remove injector
Remove
screw
Pull forward to
disconnect from
support bracket
Burner support
bracket