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Section 7. Fuel
Eclipse 5OO Systems Manual
Copyright
© — Eclipse Aviation Corporation
128
Version 2.0 April 2007
NOTE:
Automatic fuel balancing is unavailable
7.5.13 Vent System
Each wing has an independent vent system that has dual paths for venting in and
out. Two overboard vents exits on the bottom of each wing near the tip tank serve to
maintain normal fuel tank pressure relative to atmospheric pressure to prevent fuel
tank collapse or wing structural failure. The vent system also prevents the fuel tanks
from being vented through the fill ports to reduce the amount of splash-back during
fueling. There is a vent space in the aft section of each tip tank to prevent fuel
spillage in high roll attitudes or during thermal expansion of the fuel while the aircraft
is parked with full fuel.
A climb vent line internal to the aircraft wing vents into the aft vent bay on each wing
to allow equalization of tank pressure during climb.
Two vent lines that connect to the vent bay vent out of the aircraft on the underside
of each wing allowing the vent bay proper ventilation and facilitating the equalization
of pressure within the wings.
A third vent line is connected to a float valve that allows overflow fuel that may have
drained into the vent bay due to thermal expansion to flow back into the wing tanks
through a one way check valve in the vent bay.
7.5.14 Fuel Pressure Measurement
A pressure sensor downstream of the ejector boost and electrical fuel pumps
measures fuel pressure in the feed line to the engine. If fuel pressure below 15 PSI,
a L (R) FUEL PRESS LOW warning message appears, the fuel pressure digits to turn
red, and the corresponding electric fuel pump automatically activates. Should fuel
pressure information become unavailable a L (R) FUEL PRESS FAULT advisory
appears on the ground only and white triple dashes will be displayed.
Содержание RatioMatic 500
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Страница 459: ...Copyright Eclipse Aviation Corporation Version 2 0 April 2007 Index 1 Index S sample entry 1 ...
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