Doc No 700111 (06-15), Page 43
Step 3:
The gas injector can be inspected and
replaced if contaminated or blocked.
When replacing the gas injector ensure
approved thread sealant is used.
Step 4:
Reconnect ignition leads and silicone
tube to test nipple. Refit gasket and support
casting.
4.5 Combustion Fan Servicing
Step 1:
Remove the four top lid screws to
reveal the combustion fan shown below.
Step 2:
Disconnect the fan cables after first
noting their positions, then pull cable through to
fan compartment.
Step 3:
Remove the four fan fixing screws then
withdraw the fan complete with mounting
bracket as shown below.
Step 4:
Remove fan orifice plate.
Step 5:
Inspect the impeller and remove any
dust with a soft brush.
Step 6:
Remove any dust from fan scroll and
from around the motor.
Step 7:
Ensure the impeller rotates freely.
Step 8:
Refit components.
4.6 Burner Head and Electrode Servicing
Step 1:
Check the pepper pot burner head for
contamination. If necessary this can be
removed. See below.
This can be cleaned together with the inside of
the burner head.
Step 2:
The pepper pot burner head can be
replaced 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