11.3.4.
Remove the first screw securing the dust cage to the pilot unit & burner bracket.
Carefully remove the dust cage and place aside. Remove the second screw securing the
pilot unit to the burner bracket.
11.3.5.
Disconnect the electrode lead from below the pilot electrode.
11.3.6.
Carefully remove the pilot unit together with the pilot pipe then disconnect the
pipe from the pilot unit.
11.3.7.
Replace in the reverse order.
Note: 1 The pilot unit must be replaced as a whole assembly. Its individual components
are not separately replaceable.
2. Once removed, ensure that the dust cage is cleaned before refitting. Make sure
that it locates squarely onto the pilot unit without any gaps between the cage
edges and the pilot unit.
11.4 To Remove the Piezo Generator
11.4.1.
Remove the outer case as section 11.2 above.
11.4.2.
Disconnect the electrode lead from below the pilot electrode.
11.4.3.
Disconnect the control spindle & adapter from the gas tap by removing the split
pin. Lift the adapter clear of the gas tap spindle.
11.4.4.
Remove the circlip holding the piezo generator to the tap.
11.4.5.
Replace in the reverse order. Make sure that the control knob with spindle is
correctly turned to agree with the gas tap position before refitting the split pin.
11.5 To Remove The Complete Burner Module, Pipes and Pilot
11.5.1.
Remove the outer case as section 11.2 above.
11.5.2
Support the inlet isolating elbow to avoid straining the pipework and disconnect
the appliance from the elbow.
11.5.3.
Disconnect the control spindle & adapter from the gas tap by removing the split
pin. Lift the adapter clear of the gas tap spindle.
11.5.4.
Detach the left end of the burner module from the radiant box by removing one
screw. See figure 13.
11.5.5.
Carefully slide the burner module to the right to free it from the right side of the
radiant box. See figure 13.
11.5.6.
Remove the pipes, gas tap or injectors as required.
11.5.7.
Replace in the reverse order.
Take care when replacing the injectors. The injectors have ceramic tips at each end. It is
important not to allow jointing compound to get on either end of the injectors.
Make sure that the control knob with spindle is correctly turned to agree with the gas
tap position before refitting the split pin.
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INSTALLER GUIDE