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5.11 Maintenance position for the RG1RK burner
There are two ways to access the nozzle, the diffuser disc and
the electrodes:
1st Method (Fig. 16):
remove the wires 4)(Fig. 16) from the control box, the flame
sensor 11) and unscrew the nut 9) from the pump.
Loosen the screws 8) and extract the nozzle-holder assem-
bly 7) turning to the right.
Remove the wires 4) from the electrodes, loosen the screw
3)(Fig. 15) and remove the diffuser disc-holder assembly 5)
from the nozzle-holder assembly 7).
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. 18.
WARNING
4
8
11
10
9
7
8
5
7
E9313
Installation
2nd Method (Fig. 16):
unscrew and remove the fixing nut to the flange and remove
the burner from the boiler.
Connect the burner to flange 1)(Fig. 17), loosen the screws
3) then remove the blast tube 2).
Remove the wires 4) from the electrodes, loosen the screw
3)(Fig. 15) and remove the diffuser disc-holder assembly 5)
from the nozzle-holder assembly 7).
Replace and correctly screw in the nozzle 6), tightening it as
shown in Fig. 17.
Refit following the procedure in the reverse order to the one
described above.
2
5
4
E9312
Tighten without
Fig. 16
bringing right to
the end stop
19
GB
3
6
Fig. 17
9
Fig. 18
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1
D5684
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