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B
Fig. 11
Remove nozzle-holder assembly (1) after loos-
ing screws (2) and nut (3), remove the small ca-
bles (4) from the control box and the flame
sensor (6).
Withdraw the small cables (4) from the elec-
trodes, remove the diffuser disc-holder assem-
bly (10) from the nozzle-holder assembly (1)
after loosing screw (3, Fig. 12).
Screw the nozzle (11) correctly and tighten
it as shown in figure.
ATTENTION
During the reassembly of the nozzle-holder as-
sembly screw the nut (3) as shown in the figure
below.
TIGHTEN WITHOUT MOVING
BACKWARDS TO THE END
In the long head version the socket wrench
(12) should lock the extension part that carries
the nozzle.
4.3 ELECTRODES ADJUSTMENTS (
ATTENTION
Lean the diffuser disc-holder as-
sembly (1) on the nozzle-holder
(2) and lock it by screw (3).
For prospective adjustments
loosen screw (4) and move the
electrodes assembly (5).
To have access to the electrodes
carry out operation as described in
chapter "4.2 RECOMMENDED
NOZZLES" (Page 6).
4.4 PUMP PRESSURE
The pump leaves the factory set at 12 bar.
To change it act on pump pressure adjust screw (4, Fig. 5, Page 4).
1913
D5684
3
see Fig. 12)
Fig. 12
B
Fig. 11
12
WARNING
MEASURES MUST BE
RESPECTED
0
4.5
– 0.5 mm
4
5
3
7
GB
S7210
4 – 5
mm
2
1
D5537
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