43
SERVICING
Esprit -
Installation and Servicing
56 BURNER REPLACEMENT
1.
Refer to Frame 52.
2.
Remove the fan assembly. Refer to Frame 47.
3.
Remove the 6 screws securing the burner (the 3
screws at the rear are extended to ease
access).
4.
Lift off the burner from the combustion chamber.
5.
Fit the new burner, replacing any damaged or
deteriorating sealing gasket.
6.
Reassemble in reverse order.
7.
Check the operation of the boiler. Refer to Frame
52.
Note.
Take care not to disturb the ionisation
probes at the front and rear of the
combustion chamber.
55 BURNER INJECTOR REPLACEMENT
1.
Refer to Frame 52.
2.
Disconnect the electrical leads from the fan.
3.
Undo the gas pipe union connection to the injector
housing.
4.
Remove the screw retaining the fan mounting
bracket.
5.
Remove the fan and venturi assembly
6.
Remove the 2 injector housing screws.
7.
Withdraw the injector housing.
8.
Fit the new injector housing complete with injector.
9.
Reassemble in reverse order, ensuring that the new
gas seal supplied is located correctly in the injector
housing.
10.
Check operation of the boiler. Refer to Frame 52.
Mounting bracket
6
esp8862
4
Injector
Fan
Gas pipe union
esp8863
Ionisation
Probes
3
4
5
SER
VICING
203642-4.pmd
10/01/2008, 13:51
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