Fuel Systems Flashcards
Where can you find the correct part number for the fuel quantity sensor to be installed in the aircraft fuel system?
Illustrated parts catalog
Where are fuel system strainers located?
One is in the outlet to the tank, the main is in the fuel line between the outlet of the tank and the inlet of the fuel metering device.
Why do fuel strainers used on some turbine engine aircraft have a warning device to signal the flight crew when the strainer is beginning to clog up?
Strainers clog because of ice on the filler element.
How does water appear in the fuel drained from the tank sumps?
Appears as a clear glob in the bottom of the container.
Why must an aircraft fuel valve have a detent in its operating mechanism?
The detent gives the pilot a positive indication by feeling when the selector valve is in the full ON and OFF position.
What must be done before a fuel selector valve can be removed from an aircraft?
The tank must be drained or isolated.
What must be done after a fuel valve is replaced?
Fuel system must be checked for leaks.