Section 12: Servicing
Page 58
12.7 Burner
12.7.1 Dismantling the Burner
Ensure the electrical supply to the boiler is isolated at the fused
spur before proceeding.
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To clean the burner thoroughly it is necessary to dismantle it using the
following procedure:
•
Fully open the combustion chamber door (as per Section 12.6.5).
•
Clean any ash deposits from the external surfaces of the burner.
•
Using the multi-purpose tool supplied with the boiler, rotate the
brazier catch (on the front of the burner) 90° anticlockwise to
release it from the upper front of the burner housing. Refer to
Figure 12-12.
Figure 12-12:
Brazier catch
•
Hinge down and remove the brazier front plate from the burner.
Refer to Figure 12-13.
Figure 12-13:
Removal of brazier front plate
•
Using the multi-purpose tool supplied with the boiler, remove
the brazier base plate from the lower front of the burner housing.
Refer to Figure 12-14.
Figure 12-14:
Removal of brazier base plate
•
Remove the flame pot from the top of the burner. Refer to Figure
12-15.
Figure 12-15:
Removal of flame pot
•
Using the multi-purpose tool supplied with the boiler, remove the
wire cotter pin that attaches the brazier assembly to the brazier
cleaning shaft. Refer to Figure 12-16.
Figure 12-16:
Cotter pin removal
•
Remove the brazier assembly from the burner. Pull to the right
(until it touches combustion chamber wall) and then remove it
from the front. Refer to Figures 12-17 and 12-18.
Do nOt attempt to force the brazier assembly open without
removing the wire cotter pin from the brazier cleaning shaft
Failure to follow this guidance will result in damage to cleaning
actuator, cleaning mechanism or brazier.
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