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ATTENTION
During the reassembly of the nozzle-holder assembly screw the nut (3) as
shown in the figure 14.
4.4 COMBUSTION HEAD SETTING,
It depends on the output of the burner and is carried out by rotating clockwise
or counterclockwise the setting screw (6) until the set-point marked on the reg-
ulating rod (7) is level with the outside plane of the nozzle-holder assembly
(1). In the sketch, for burner CRONO 25-L2, the combustion head is set for an
output of 2,00 + 2,00 GPH at 12 bar. The set-point set-point 3 of the regulat-
ing rod (7) is at the same level with the outside plane of the nozzle-holder as-
sembly as shown in the schedule.
4.5 ELECTRODES ADJUSTMENT
TO HAVE ACCESS TO THE ELECTRODES CARRY OUT OPERATION AS DESCRIBED AT PAGE 9.
CRONO 10-L2
WARNING
MEASURES MUST BE RESPECTED
Lean the diffuser disc-holder assembly (1) on
the nozzle-holder (2) and lock it by screw (3).
For prospective adjustments loosen screw (4)
and move the electrodes assembly (5).
CRONO 15-L2, 20-L2
WARNING
MEASURES MUST BE RESPECTED
Lean the diffuser disc-holder assembly (1) on
the nozzle-holder (2) and lock it by screw (3).
For prospective adjustments loosen screw (4)
and move the electrodes assembly (5).
CRONO 25-L2
WARNING
MEASURES MUST BE RESPECTED
For prospective adjustments loosen screws (1)
and move the electrodes assembly (2).
2701
(see fig. 12 or 13)
Fig. 16
D5342
Fig. 16
D5341
Fig. 16
2
D5406
10 GB
Fig. 14
3
TIGHTEN WITHOUT MOVING
BACKWARDS TO THE END
0
4.5
– 0.5 mm
4
5
3
2
1
0
4.5
– 0.5 mm
4
5
3
2
1
1
D5684
4 ÷ 5
mm
6 ÷ 7
mm
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