TH-57 Fuel System Review. The two electrical boost pumps installed inside the fuel cell are...
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Transcript of TH-57 Fuel System Review. The two electrical boost pumps installed inside the fuel cell are...
![Page 1: TH-57 Fuel System Review. The two electrical boost pumps installed inside the fuel cell are interconnected by a hose so that they can furnish pressurized.](https://reader035.fdocuments.in/reader035/viewer/2022081519/56649f135503460f94c27547/html5/thumbnails/1.jpg)
TH-57 Fuel System
Review
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The two electrical boost pumps installed inside the fuel cell are
interconnected by a hose so that they can furnish pressurized fuel through a
single line to the engine-driven fuel pump. This pressurization prevents
in-line vaporization above 6,000 Pressure Altitude.
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The engine fuel pump is located on the aft port side of the power accessory gearbox.
Fuel enters at the inlet port of the pump and passes through a low pressure inlet at 4 to 30 PSI to the gear element of the fuel pump.
The engine driven fuel pump pressurizes fuel at 650-750 psi and passes it to the fuel control unit.
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14.10 SUSPECTED FUEL LEAKAGE
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