32
BOXER
combination boiler -
Installation and Servicing
SERVICING
46 VENTURI REMOVAL AND CLEANING
1.
Remove the casing (refer Frame 41).
2.
Remove the fan assembly (refer Frame 45).
3.
Disconnect the two silicon pipes from the venturi
pipe.
4.
Undo the screw fixing the flue outlet and remove it.
5.
Undo the two plastic nuts fixing the venturi pipe and
remove it from the bottom of the flue outlet.
6.
Clean with a soft brush.
7.
Re-assemble in the reverse order.
5
47 BURNER REMOVAL AND CLEANING
1.
Undo and remove the 2 clips assembling the combustion
chamber.
2.
Remove the combustion chamber.
3.
Disconnect the leads from ignition and ionisation
electrodes including the earth lead.
4.
Unscrew the nut off the gas burner pipe, then remove the 4
screws securing the burner.
5.
Remove the burner from the combustion chamber.
6.
Inspect the sealing gasket of the burner connection for any
signs of damage. Replace if necessary.
7.
Brush off any deposits using a soft brush.
8.
Re-assemble in the reverse order.
Note.
Check the ignition and detection probes are in the correct
position and re-connected.
1
(
BOXER C 28
)
(
BOXER C 24
)
1
2
4
4
4
5
4
SER
VICING