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5.7
Hydraulic systems
Explosion danger due to fuel leaks in the pres-
ence of a flammable source.
Precautions: avoid knocking, attrition, sparks and
heat.
Make sure the fuel interception tap is closed be-
fore performing any operation on the burner.
The fuel supply line must be installed by qualified
personnel, in compliance with current standards
and laws.
WARNING
5.7.1
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 two pipes.
In order to obtain one pipe working it is necessary to unscrew the
return plug 2)(Fig. 9), remove the by-pass screw 3) and then
screw again the plug 2).
Installation
8
1
Key (Fig. 9)
1
Gas oil suction line
2
Return line plug
3
By-pass screws
4
Manometer connection
Check periodically the flexible pipes conditions.
If necessary, install a filter on the fuel supply line.
WARNING
11
GB
7
6
5
4
3
2
D9630
5
Pressure adjuster
6
Vacumeter connection
7
Gas oil solenoid
8
Auxiliary
pressure
points
Fig. 9
test
20119857
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