46 FAN AND VENTURI ASSEMBLY
REMOVAL AND CLEANING
1. Undo the gas pipe union connection to the injector
housing.
2. Undo the screw on the fan mounting bracket.
3. Lift off the fan and venturi assembly.
4.
5. Inspect the injector for blockage or damage.
47
BURNER REMOVAL AND CLEANING
1.
(the 3 screws at the rear are extended to
ease access).
2. Lift off the burner from the combustion
chamber.
IMPORTANT
The burner head is a ceramic plaque
construction. Care must be taken to
ensure that the burner is not placed
down upon its face as this may cause
damage to the ceramic.
3. Brush off any deposits that may be on the
ceramic with a SOFT brush.
4. Inspect the sealing gasket around
the burner and combustion chamber
insulation for any signs of damage.
Replace as necessary.
Note.
Take care not to disturb the ionisation probes
at the front and rear of the combustion
chamber.