Riello RG2D Installation, Use And Maintenance Instructions page 20

To access the nozzle for 398T1 burners(Fig. 15) carry out the
following operations:
 Take out the nozzle-holder assembly 1)(Fig. 15) after having
loosened the screws 2), unscrewed the nuts 3), removed the
wires 4) from the control box and the flame sensor 5).
 Remove the wires 4) from the electrodes, take out the noz-
zle-holder assembly 1) the diffuser disc 8) after removing the
screws 9).
 Screw on the nozzles 10) correctly, tightening them as
shown in Fig. 15.
2
4
3
5
7
0 2 4 6 8
9
D7875
20135920
Installation
8
10
1
Fig. 15
Having put back the nozzle-holder assembly,
screw in the nut 3), as shown in Fig. 16.
WARNING
TIGHTEN
MOVING TO THE END
D5684
18 GB
3
WITHOUT
Fig. 16