35
BOXER
combination boiler -
Installation and Servicing
SERVICING
53 BURNER INJECTOR REPLACEMENT
1.
Refer to Frame 49.
2.
Remove the casing. Refer to Frame 41.
3.
Remove the expansion vessel and shield/air guide. Refer
to Frame 43.
4.
Remove the combustion chamber. Refer to Frame 47.
5.
Disconnect the electrical leads from the ignition/ionisation
electrodes.
6.
Undo and remove only the 4 screws illustrated securing
the burner.
7.
Remove the burner from the combustion chamber.
8.
Unscrew the injectors.
9.
Fit the new injectors complete with copper gaskets.
10.
Re-assemble in reverse order.
Note.
Check that all of the injectors have been replaced and
security tightened.
7
8 - 9
6
6
52 VENTURI REPLACEMENT
1.
Refer to Frame 49.
2.
Remove the fan assembly. Refer to Frame 45.
3.
Remove the boiler casing. Refer to Frame 41.
4.
Disconnect the two silicon pipes from the venturi pipe.
5.
Undo the screw fixing the flue outlet and remove it.
6.
Undo the two plastic nuts fixing the venturi pipe and
remove it from of the bottom of the flue outlet.
7.
Fit the new venturi pipe and re-assemble in the reverse
order.
6
SER
VICING
5
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