Sime 8099157, Installation, Use And Maintenance Instructions

Page: 41 / 60

11 20127402
GB
Installation
5.6 Fuel supply
5.6.1 Pump
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. 6), remove the by-pass screw 3) and then
screw again the plug 2).
5.6.2 Pump pressure
The pump is set in factory according to the values indicated in
Tab. F on page 14.
Key (Fig. 6)
1
Gas oil suction line
2 Return line
3 By-pass screws
4 Manometer connection
5 Pressure adjuster
6 Vacuometer connection
7 Valve
8 Auxiliary pressure test points
WARNING
Before starting the burner, make sure that the tank
return line is not clogged.
Obstructions in the line could cause the sealing
organ located on the pump shaft to break.
WARNING
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-
turn line 2) must be totally in steel.
2
3
5
6
7
1
8
4
Fig. 6
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