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10.0
Annual Servicing – Page 22
10.3 Cleaning the Burner and Injectors
1. Undo the screw retaining the spark electrode to the
burner tray (Fig. 38).
2. Undo the screw retaining the burner to the burner tray
(Fig. 39).
3. Slide the burner to the left to disengage from the
injector. Rotate the electrode slightly and lift the burner out
of the tray.
4. Using a soft brush remove any dirt from the burner and
ensure all ports are free from obstruction.
5. Undo the union nut connecting the gas pipe to the
injector (Fig. 38).
6. Undo the injector locknut and remove the injector from
the burner tray by disengaging the gas pipe from the
injector (Fig. 40).
7. Examine and clean the injector. Do not use any hard
tools such as pins or wire. Renew if necessary (Fig. 40).
8. When retightening the gas feed pipe nut, hold the
injector body with a suitable spanner to prevent
misalignment of the injector.
9. Reassemble in reverse order.
10.4 Cleaning the Thermocouple
(Fig. 41)
NOTE: No attempt should be made to clean the device
using any hard tools, including pins or wire.
WARNING: The thermocouple assembly must not be
adjusted in any way.
1. The thermocouple must not be altered so that it will not
operate or be bypassed in any way.
2. Ensure that the burner aeration hole is free from lint,
debris etc.
3. Ensure that the thermocouple locknut is tight and there
is no damage to the thermocouple lead.
4. The thermocouple can be changed as an individual
component. (See section 11.0 Changing Components).
5. Only use a Genuine Baxi Spare Part.
