Set Appliance State:
Gas Off
| Isolate Mains Power to appliance as per TOPs P4 |
Carefully remove burner from boiler.
Measurement:
Inspect the spark electrode assembly and earth pin, ensure the ceramic is in good condition.
Place a straight edge across the top of the heat exchanger above the spark electrode and ensure the electrode is 3mm +/- 1mm below the edge.
Ensure the spark gap is 3.5mm +/- 1mm on the spark electrode.
NOTE.
1. Ensure that when removed care is taken not to damage the
ceramic face of the burner.
2. Before reassembly inspect all gaskets and replace if damaged.
Place a straight edge across the top of the heat exchanger above the spark electrode and ensure the electrode is 3mm +/- 1mm below the edge.
Ensure the spark gap is 3.5mm +/- 1mm on the spark electrode.
NOTE.
1. Ensure that when removed care is taken not to damage the
ceramic face of the burner.
2. Before reassembly inspect all gaskets and replace if damaged.
Isolate as per TOPs P4
and refit as necessary