Maintenance Position - Riello BG7.1D Installation, Use And Maintenance Instructions

5.12 Maintenance position

To access the nozzle carry out the following operations (Fig. 16):
 remove the wires 1) from the control box, the flame sensor
2)(Fig. 16) and loosen the nut 3) from the pump.
 Loosen the screws 4) and extract the nozzle-holder assem-
bly 5) by turning to the right.
 Remove the wires 1) from the electrodes, loosen the screw
3)(Fig. 15), and take the diffuser disc holder assembly 6) out
of the nozzle-holder assembly 5).
 Change the nozzle 7)(Fig. 16), holding the nozzle-holder
with the help of a spanner.
 Screw on the nozzle 7) while holding the nozzle holder still
with a spanner.
 Refit following the operations in the reverse order to the one
described above.
Having put back the nozzle-holder assembly,
screw in the nut 3), as shown in Fig. 17.
WARNING
Installation
1
2
3
TIGHTEN WITHOUT
MOVING TO THE END
19 GB
4
9 8
5 7
S9668
D5684
5
6
Fig. 16
Fig. 17
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