Effectivity: 914 Series
Edition 2 / Rev. 0
d04279
page 83
July 01/2008
BRP-Rotax
INSTALLATION MANUAL
14) Fuel system
14.1) Description of system
See Fig. 48.
The fuel flows from the tank via a coarse filter/water trap (1) to the two electric fuel
pumps (2) with 2 check valve (6) connected in series. From the pumps fuel passes
on via the fuel pressure control (3) to the two carburetors.
Via the return line (5) surplus fuel flows back to the fuel tank and suction side of fuel
system.
◆ NOTE: The fuel pressure control ensures that the fuel pressure is always
maintained approx. 0,25 bar (3,6 p.s.i.) above the variable boost
pressure in the "airbox" and thus ensures proper operation of the
carburetors.
On the standard version of the engine the fuel lines from fuel pressure control to the
carburetors are already installed.
The fuel system from tank to the fuel pressure control has to be installed by the aircraft
manufacturer.
The fuel system includes the following items:
- tank
- coarse filter
- fine filter/watertrap
- fuel shut off valve
- 2 electric fuel pumps
- as well as the required fuel lines and connections
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