Baxi Main Combi Eco Installation & Service Instructions Manual page 40

Electrode Assembly
40
© Baxi Heating UK Ltd 2011
Insulation
Burner
Fig. 82
14.0 Changing Components
14.5 Burner (Fig. 82)
1. Undo the nut on the gas pipe at the gas/air inlet and the
gas valve. Remove the pipe, taking care not to lose the
sealing washers. Also remove the injector.
2. Disconnect the electrode lead caps, remove the strain
relief clip from the sensing lead and disconnect the lead.
Remove the fan electrical plugs and pull the sensing pipe off
the fan.
3. Undo the screw securing the fan air inlet pipe to the
bracket on the boiler top panel. Remove the pipe.
4. Undo the five retaining nuts and washers and remove the
fan, gas/air inlet and burner assembly.
5. Remove the electrode assembly and draw the insulation
piece away. Undo the burner securing screws.
6. Fit the new burner and gasket, examine the insulation and
heat exchanger gasket, replacing if necessary.
7. Reassemble in reverse order.
14.6 Insulation (Fig. 82)
1. Undo the nut on the gas pipe at the gas/air inlet and the
gas valve. Remove the pipe, taking care not to lose the
sealing washers. Also remove the injector.
2. Disconnect the electrode lead caps, remove the strain
relief clip from the sensing lead and disconnect the lead.
Remove the fan electrical plugs and pull the sensing pipe off
the fan.
3. Undo the screw securing the fan air inlet pipe to the
bracket on the boiler top panel. Remove the pipe.
4. Undo the five retaining nuts and washers and remove the
fan, gas/air inlet and burner assembly.
5. Remove the electrode assembly and draw the insulation
piece away. Replace the insulation and reassemble in
reverse order. Examine the heat exchanger gasket and
replace as necessary.