Fuel System; Description Of System - Rotax 912 ULS 3 Installation Manual

14) Fuel system

14.1) Description of system

See Fig. 54.
The fuel flows from the tank via a coarse filter/water trap (1) to the mechanical
fuel pump (2), from the pumps fuel passes on via the fuel manifold (3) to the two
carburetors.
Depending on the configuration of the engine the fuel lines from fuel pump to the
carburetors are already installed by the manufacturer (optional on some
engine).
The fuel system from tank to the inlet of engine-driven fuel pump has to be
installed by the aircraft manufacturer.
Via the return line (5) surplus fuel flows back to the fuel tank and suction side
of fuel system.
The fuel system includes the following items:
- tank
- coarse filter
- fine filter / water trap
- fuel shut off valve
- electrical fuel pump
- as well as the required fuel lines and connections
Effectivity: 912 Series
Edition 1 / Rev. 0
BRP-Rotax
INSTALLATION MANUAL
page 83
May 01/2007