Step 2 The gas injector can be inspected and
replaced if contaminated or blocked.
When replacing the gas injector ensure
approved thread sealant is used.
Step 3 Refit the burner support casting and re-
place the gasket to ensure effective sealing.
1.4 Burner Head and Electrode Servicing
Step 1 Check the pepper pot burner head for
contamination. If necessary this can be re-
moved. See below. This can be cleaned to-
gether with the Inside of the burner head.
Step 2 The pepper pot burner head can be re-
placed ensuring the 5 holes on the outer ring
are aligned alongside the probes.
Step 3 The condition of the igniter assembly
can be checked for deterioration. However, we
advise replacement at each service to ensure
continued reliability. Detach the electrode as-
sembly from the burner head by removing the
two screws and separating the igniter lead con-
nectors.
Step 4 Refit the electrode assembly and ensure
the connections are secure to prevent arcing of
the spark electrode.
Step 5 Check the positions and spark gap as
shown below.
Step 6 The burner assembly is ready to refit
after servicing the combustion fan and the radi-
ant tube assembly.
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