Riello RG2D Manuel D'entretien page 61

4.4 MAINTENANCE POSITION,
ACCESSIBILITY TO THE NOZZLE, THE DIFFUSER DISC AND THE ELECTRODES IS MADE EASY IN 2 WAYS:
ONLY FOR TYPE 380T1
Unscrew and remove the fixing nuts to the
flange and remove the burner from the boiler.
Hook the burner onto flange (1), loosen the
screws (3) and remove the nozzle (2).
Remove the small cables (4) from the elec-
trodes, loosen the screw (3 fig. 12 page 7) and
remove the diffuser disc-holder assembly (5)
from the nozzle-holder assembly (7).
Screw up the nozzle (6) holding the nozzle sup-
port with a spanner.
Refit following the operations in the reverse
order to the one described above.
Fig. 13
2
5
4
E9315
ATTENTION
During the reassembly of the nozzle-holder assembly
screw the nut (9) as shown in fig. 15.
3363
(fig. 13 and 14)
3
8
6
1
8
FOR ALL TYPES OF BURNERS
Undo the wires (4) from the control box, the
flame detector (8) and undo the nut (9) from the
pump.
Loosen the screws (10) and extract the nozzle
holder assembly (7) by turning to the right.
Remove the small cables (4) from the elec-
trodes, loosen the screw (3 fig. 12 page 7) and
remove the diffuser disc-holder assembly (5)
from the nozzle-holder assembly (7).
Screw up the nozzle (6) holding the nozzle sup-
port with a spanner.
Refit following the operations in the reverse
order to the one described above.
4 10
9
E9316
Fig. 15
TIGHTEN WITHOUT MOVING
BACKWARDS TO THE END
GB
Fig. 14
7
5
7
9
D5684
6