Reference Modification no.
- 0 -
Page
132
Date
1997 02 01
Main
914 F
01478
13.1.5) Check of the fuel system
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
â– 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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