Rotax 912 i series Operator's Manual page 71

Fuel system
1
Fuel tank
Double fuel
pumps main
valve
Check valve
Fuel tank
1
Fuel pump
main single
valve
1
Fuel tank
Double fuel
pumps main
valve
Fuel tank
1
Effectivity: 912 i Series
OM Edition 1/Rev. 2
SINGLE-Tank-System
Check valve
0.8-1.2 bar
Fuel pump 1
(Main pump)
6
2
Fuel filter
mesh size
max.
50-67 mµ
Check valve 1Check valve 2
Close to fuel tank
MULTI-Tank-System
Check valve
0.8-1.2 bar
Fuel pump 1
(Main pump)
6 2
Fuel filter
mesh size
max.
50-67 mµ Check valve 1 Check valve 2
Close to fuel tank
Part
1 Fuel tank
2 Fuel pump 1
3 Fuel pump 2
4 Fine filter
5 Fuel pressure regulator
6 Coarse filter/Water trap
Fig. 2
BRP-Powertrain
Orifice and fitting
(close to fine filter)
Fuel filter
Fuel pump 2
(mesh size max.
(Aux pump)
8-12 mµ)
3
4
Check valve
0.8-1.2 bar
P
Fuel pressure sensor
Orifice and fitting
(close to fine filter)
Fuel filter
Fuel pump 2
(mesh size max.
(Aux pump)
8-12 mµ)
3
4
Check valve
0.8-1.2 bar
P
Fuel pressure sensor
Function
Reference to airbox
Fuel pressure
5
regulator
Fuel injector
Display
Manifold air
pressure
Reference to airbox
Fuel pressure
5
regulator
Fuel injector
Display
Manifold air
pressure
06293
page 7-5
April 01/2014