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43 BURNER INJECTOR REPLACEMENT
1. Refer to Frame 41.
2. Disconnect the electrical leads from the
fan.
3. Remove the clip from the gas valve to
venturi pipe and ease the pipe upwards,
rotate and ease down to remove.
4. Loosen the screw retaining the fan
mounting bracket.
5. Lift and remove the fan and venturi
assembly.
6. Remove the 2 injector housing screws.
7. Withdraw the injector housing.
8. Fit the new injector housing complete
with injector.
9. Reassemble in reverse order, ensuring
that the new gas seal supplied is
located correctly in the injector housing.
10. Check operation of the boiler. Refer to
Frames 30 & 31.
44 BURNER REPLACEMENT
1. See Frame 37.
2. Refer to Frame 41.
3. Undo the two screws and remove the sump cover.
4. Lift the manifold to clear the bottom sealing gasket and remove
manifold.
5. Remove the 2 front fixing screws and loosen the 2 rear extended
nuts.
6. Lift off the burner from the combustion chamber. To facilitate the
removal angle the burner as shown.
7. Fit the new burner, replacing any damaged or deteriorating sealing
gasket.
8. Reassemble in reverse order. Refer to Frame 40.
9. Check the operation of the boiler. Refer to Frames 30 & 31.
6
40
SERVICING
4
6
Injector
3
4
3
5
5
2
3
Installation and Servicing
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