Maintenance Position - Riello BGK1 Installation, Use And Maintenance Instructions

5.12 Maintenance position

There are two ways to access the nozzle, the diffuser disc and
the electrodes:
1st Method (Fig. 13):
 remove the wires 2)(Fig. 13) from the control box, the flame
sensor 8) and unscrew the nut 9) from the pump.
 Loosen the screws 10) and extract the nozzle-holder
assembly 1) turning to the right.
 Remove the wires 2) from the electrodes, loosen the screw
4)(Fig. 13) and remove the diffuser disc-holder assembly 3)
from the nozzle-holder assembly 1).
 Screw on the nozzle 6) 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 9), as shown in Fig. 15.
WARNING
2
8
9 2
1
10
3
6
Fig. 13
Installation
2nd Method (Fig. 13):
 unscrew and remove the fixing nut to the flange and remove
the burner from the boiler.
 Connect the burner to the flange 7)(Fig. 14), loosen the
screws 5) then take out the blast tube unit 4).
 Loosen the screw 4)(Fig. 14) to remove the diffuser disc-
holder assembly 3) from the nozzle-holder assembly 1).
 Fully unscrew the fixing screw 4)(Fig. 14) to extract the opti-
cal fiber 8) from the diffuser disc-holder assembly 3).
 Remove the wires 2) from the electrodes.
 Replace and correctly screw in the nozzle 6), tightening it as
shown in Fig. 14.
 Refit following the procedure in the reverse order to the one
described above.
3
2
1
S7948
Tighten without
bringing right to
the end stop
17 GB
4
5
8
6
E9286
9
7
Fig. 14
D5684
Fig. 15
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