CALIBRATING A FUEL QUANTITY SYSTEM WITH A FUEL QUANTITY TEST SET

CALIBRATING A FUEL QUANTITY SYSTEM WITH A FUEL QUANTITY TEST SET

During calibration of a Fuel Quantity System, a fuel quantity test set is used to accurately measure fuel and oil quantity within an aircraft. A fuel quantity test set can be used to calibrate a system during both dry and wet calibration and aids in ensuring the system meets all measurement requirements.

METHODS OF CALIBRATION

A fuel quantity test set can be used to calibrate a fuel quantity system during both dry and wet calibration. All calibration methods should be performed by a professional or injury can result.

DRY TANK CALIBRATION

Dry tank calibration is performed when there is no fuel in the fuel system’s tank and the tank unit is dry. During this method of calibration, a capacitance value is created to substitute for the equivalent amount of what would be full fuel. Once this is done, the systems indicator is adjusted to read the number of “full fuel.” Due to the high level of accuracy associated with this method of calibration, it is the most preferred way of calibrating a fuel system.

WET TANK CALIBRATION

Wet Tank Calibration is performed when there is fuel within the tanks. When this method of calibration is performed, the tank unit is “electrically” removed from the fuel system and manufactured value adjustments for “full” and “empty” are made to the indicator. This method should only performed for temporary measurements due to the manufactured values.

Notably, all calibration methods should be done by professional’s who are trained to perform testing. Inaccurate measurement values could cause serious damage to an aircraft and threaten personal safety of those associated with the aircraft.

WHAT EQUIPMENT NEEDS TO BE INSPECTED DURING GSE MAINTENANCE

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