5) Check Of The Fuel System; 1) General Notes On Fuels - Rotax 914 F Maintenance Manual

13.1.5) Check of the fuel system

Page Date
132 1997 02 01
The most common reason for engine failure is a shortcoming in the fuel
system. Many problems can be prevented by regular checks. Contamination
and water by condensation can lead to erratic engine run or misfiring.
Check float chamber for dirt and water.
With bad contamination or formation of water, drain the complete system
inclusive tank, filter and fuel lines, clean and rinse it well.

13.1.5.1) General notes on fuels

ATTENTION:
Water and dirt in the fuel may cause engine failure and performance drop.
Leaks in the fuel system may cause performance drop and bad idling of
the engine.
Unsuitable routing of fuel tubes may cause engine failure.
After maintenance work the fuel system has to be checked for leaks.
Always use clean and non-translucent, safety approved fuel containers.
At refuelling use filter funnel. Do not smoke, do not allow open flames or
sparks in the vicinity.
Never refuel with engine running.
Do not refill tank brimfull, allow for expansion of the fuel.
Remove spilt fuel immediately, dispose of it respecting environmental
regulations.
Gasoline is highly inflammable and under certain conditions explosive.
Handling of fuel in well ventilated places only.
The float needle valve cannot retain the fuel pressure over a longer period
or during transport of the aircraft.
If problems with fuel supply are encountered and cannot be resolved,
contact a ROTAX Distribution Partner or Service Centre.
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914 F
Reference Modification no.
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