Riello Gulliver RG5DF, Installation, Use And Maintenance Instructions, Page: 11 / 28

2902
9 GB
➤ Change and screw down the nozzles (10) tighten-
ing them as shown in the figure.
➤ Reassemble the unit following the above instruc-
tions in reverse, replacing the nozzle holder as-
sembly (1) in its original position.
ATTENTION
During the reassembly of the nozzle-holder assembly
screw the nuts (3) as shown in the figure below.
4.3 COMBUSTION HEAD SETTING
(see fig. 12, page 8)
It depends on the output of the burner.
It is set by turning the setting screw (6) in a clockwise or anticlockwise direction, until the set point on the
regulation rod (7) is level with the outside plane of the nozzle holder assembly (1).
Figure 12 shows the head regulation rod (7) set on set point 3.
According to the values given in the table, the head is set for a delivery of 2.00 + 2.00 GPH, with pump pres-
sure at 12 bar.
4.4 ELECTRODES ADJUSTMENT,
(see fig. 14)
THE GIVEN DISTANCES MUST BE RE-
SPECTED.
For prospective adjustments loosen screws
(1) and move the electrodes assembly (2).
To have access to the electrodes carry out
operation as described in chapter “4.2
RECOMMENDED NOZZLES” (page 8).
8 10
S7764
Fig. 13
9
3
TIGHTEN WITHOUT MOVING
BACKWARDS TO THE END
D5684
1
3
mm
4
.5
–
0
.5
m
m
0
D5406
2
Fig. 14
ATTENTION