1. Switch off the electrical supply to the burner
and isolate the oil supply.
2. Remove the burner plug from the boiler
control box.
3. Remove the burner from the boiler (fig 8).
4. Remove the blast tube (fig 5), exposing the
nozzle holder assembly.
5. Taking care not to damage the electrodes,
remove the nozzle with an appropriate
socket or box spanner (fig 6)
6. Fit a new nozzle of the same specification.
7. Replace the flame ring in the same position,
check the electrode positions (fig 7) and
tighten.
8. Refit the blast tube.
1 – Blast tube retaining screws (x2)
2 – Oil pump
3 – Control box
4 – Reset button / light
5 – Mounting flange / gasket
6 – Air damper fine tuning
7 – Pump pressure adjustment
8 – Pressure gauge connection
9 – Photocell
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