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43
13 Servicing
Diagram 13.8
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BURNER
FRONT
INSULATION
GASKET
SECURING
SCREW (4)
SPARK
ELECTRODE
Diagram 13.7
Disconnect the electrical plug from the fan.
Disconnect the spark electrode plug and earth lead, refer to
diagram 13.6.
Remove the five combustion chamber/burner door securing
nuts, see diagram 13.7, these should be discarded and
replaced with the new nylocs nuts supplied in the burner door
seal kit.
Gently remove the fan, gas valve and bur
ner assembly from
the combustion chamber.
Clean the burner with a soft brush taking gr
eat care not
to damage the front insulation. DO NOT use wire or sharp
instruments to clean the holes of the burner.
Inspect the burner for any signs of damage.
Remove and discard the burner door seal and replace with
new, see diagram 13.7.
NOTE: Removal of the burner is not necessary during a
normal service, but if it is r
emoved it will require a new
gasket, see diagram 13.8.
13.6. Combustion Chamber and Heat
Exchanger
NOTE: If the functional checks did not indicate poor
combustion then it is not necessary to service this
component.
Remove loose debris from inside the combustion chamber
using a soft brush and vacuum cleaner.
Carefully flush by spraying water into the heat exchanger, any
remaining debris should pass through the condensate trap
(Ensure the water is kept away from electrical components).
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