Riello 40 G7, Installation, Use And Maintenance Instructions

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23 20032189 GB
Start-up, calibration and operation of the burner
8.6.1 Maintenance position
Access to the combustion head, diffuser disc / electrodes
unit and nozzle
(Fig. 22)
Proceed as follows:

remove the burner out of the boiler, after loosing the fixing
nut to the flange;

hook the burner to the flange 1), by removing the combus-
tion head 2) after loosing the fixing screws 3);

remove the diffuser disc-holder assembly 9) from the noz-
zle-holder 8) after loosing its fixing screw;

screw the nozzle 10).
After carrying out maintenance, cleaning or
checking operations, reassemble the cover and
all the safety and protection devices of the burner.
Fig. 22
4
1
D8057
D8056
2
3
5
6