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4.3 Burner Removal
Step 1:
Isolate power and gas supplies.
Step 2:
Disconnect the external power/control
connections.
Step 3:
Detach the gas supply as shown
below, taking care to support the burner
connection.
Step 4:
If ducted air is connected, loosen hose
clip and remove the flexible hose from the
burner.
Step 5:
Loosen the set screw on the burner
support casting to enable the burner to be
removed from the radiant tube.
Step 6:
Remove the burner and position
in a safe area to prevent the burner or its
attached components from falling to the ground.
4.4 Burner Gas Injector Servicing
Step 1:
Remove the 4 retaining screws, then
remove the burner support casting and gasket.
Step 2:
The burner head assembly can be
disconnected by separating the connectors of
the ignition lead assembly and removing the
earth lead and pressure switch silicon tube.
Step 3:
The gas injector can be inspected and