Riello G20 Manuel D'entretien page 25

INSTALLATION
BOILER FIXING
Put on the flange (1) the screw and two nuts, (see fig. 2).
Widen, if necessary, the insulating gasket holes (5), (see fig. 3).
Fix the flange (1) to the boiler door (4) using screws (2) and (if necessary) the nuts (3) interposing the
insulating gasket (5), (see fig. 4).
MAINTENANCE POSITION
Access to the combustion head, diffuser disc / electrodes unit and nozzle, (see fig. 5).
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 combustion head (6) after loosing the fixing screws (7).
Remove the diffuser disc-holder assembly (9) from the nozzle-holder (8) after loosing its fixing screw.
Screw the nozzle (10).
Fig. 2
E9022
6
Verify that the installed burner is lightly leaned towards the
button.
(See figure 6).
The burner is designed to allow entry of the flexible oil-lines
on either side of the burner.
20025344
Fig. 3
D5012
1
1
Fig. 5
7
D8056
Fig. 4
2
5
9
8
D8057
3
GB
5
1
2
D8058
10
Fig. 6
D5572
4
3