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5.7
Securing the burner to the boiler
Prepare a suitable lifting system.
In order to fix the burner to the boiler, proceed as follows:
Insert the screw 2) in the flange 1), and tighten the nut
3)(Fig. 6);
Fix the flange 5) to the boiler door 4) using the screws 6)
placing in between the insulating gasket 7)(Fig. 7);
Insert the burner, and fix it in place with the nut 8)(Fig. 8).
20138111
3
5.8
Fuel supply
5.8.1
Pump
Before starting the burner, make sure that the tank
return line is not clogged.
Obstructions in the line could cause the sealing
WARNING
organ located on the pump shaft to break.
The pump is designed to allow working with one pipe.
For two pipe operation it is necessary to unscrew the return plug
2) (Fig. 9), screw the by-pass screw 3) and then screw back on
the plug 2).
The suction plug 1) is made of plastic. Once
removed, it must not be used again.
In single-pipe installations, the plug in the re-
WARNING
turn line 2) must be totally in steel.
Where light oil containing bio diesel is in use, it is
recommended to avoid over oxygenation of the
blended fuels.
Where at all possible avoid the use of two-pipe
systems where the circulated fuel is returned to
the tank.
WARNING
If this cannot be avoided make sure that the return
pipe is normally below the surface of the fuel level
within the storage tank.
In case of use with light oil containing up to 30%
bio blend, it will be essential to use flexible oil lines
suitable for biofuel use.
WARNING
Please contact the manufacturer for further infor-
mation.
20139038
Installation
6 (M8x20)
2 (M8)
1
Fig. 6
Pump pressure
The pump is factory set to the values shown in Tab. F on
page 15.
8
Key (Fig. 9)
1
Gas oil suction line
2
Return line
3
By-pass screws
4
Manometer connection
5
Pressure adjuster
6
Vacuometer connection
7
Gas oil solenoid
8
Auxiliary pressure test points
12
GB
20083626
7
5
8 (M8)
20083081
1
6
4
Fig. 7
20110519
Fig. 8
7
5
4
3
2
Fig. 9
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