System Description; Ecu; Fuel Filter; Safety Instruction - Rotax 915 i A series Maintenance Manual

SYSTEM DESCRIPTION

The fuel passes from the tanks via the water trap to
the series-connected electric fuel pumps, through
fine filter from there to the fuel rails, the injection
valves and the fuel pressure regulator.
The fuel pressure is measured with an absolute pres-
sure sensor.

ECU

The ECU controls one of the two fuel pumps through
one of the two LANEs. The pilot can switch on the
second fuel pump with an additional switch if re-
quired, if no automatic detection is present.

FUEL FILTER

Coarse filter
The coarse filter is installed by the aircraft
manufacturer and is not included in the
ROTAX® delivery.
Fine Filter
The fine filter is installed by the aircraft
manufacturer, see aircraft manufacturer
manual.

SAFETY INSTRUCTION

m WARNING
During work on the fuel system there is a risk
of injury due to pressure and fuel!
Always wear safety goggles and gloves when
working on the fuel system! Before starting repair
work on the fuel system, ensure that it is no longer
pressurised! Ensure that pressure cannot build up
again by disconnecting the electric supply. At the
workplace, ensure that drained fuel is handled ac-
cording to the safety information.
m WARNING
Flammable material must be placed at a sufficient
distance from all sources of ignition, direct and
strong sunlight, spotlights and heating devices, so
that it cannot be ignited by such items.
Effectivity: 915 i A Series
Edition 0/Rev. 0
BRP-Rotax
MAINTENANCE MANUAL HEAVY
ENVIRONMENTAL NOTE
Please observe the disposal regulations appli-
cable in your area.
ENVIRONMENTAL NOTE
Observe the safety instructions of the manu-
facturer of hazardous substances (coolant, oil)
or fuels and the applicable regional waste dis-
posal regulations.
ENVIRONMENTAL NOTE
Work with the utmost care to ensure that no
water pollutants can penetrate into the soil,
water or the sewerage system.
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August 01 2018