AM.III.I.S14
SkillLocate and explain procedures for removing and installing a turbine engine fuel control unit.
From the FAA library
- Chapter 2: Engine Fuel & Fuel Metering Systems › Basic Fuel System
During starting, the boost pump forces fuel through a bypass in the engine-driven pump to the metering device. Once the engine-driven pump is rotating at sufficient speed, it takes over and delivers fuel to the metering device ... specified pressure. The airframe fuel system begins with the fuel tank and ends at the engine fuel system. The engine fuel system usually includes the engine-driven pumps and the fuel metering systems. In aircraft powered with a reciprocating engine…
- Chapter 2: Engine Fuel & Fuel Metering Systems › Turbine Engine Fuel System—General Requirements › Hydromechanical/Electronic Fuel Control
Hydromechanical/Electronic Fuel Control The addition of the electronic control to the basic hydromechanical fuel control was the next step in the development of turbine engine fuel controls. Generally, this type of system used a remotely located EEC to adjust ... fuel flow. A description of a typical system is explained in the following information. The basic function of the engine fuel system is to pressurize the fuel, meter fuel flow, and deliver atomized fuel to the combustion section…
- Chapter 2: Engine Fuel & Fuel Metering Systems › Turbine Engine Fuel System—General Requirements › FADEC Fuel Control Propulsion Engine
output driver banks that supply the control signals to engine components. Each channel of the EEC supplies the driver banks with control signals. The EEC has both volatile and nonvolatile memory to store performance and maintenance data ... control the engine thrust in two modes, which can be selected by use of a mode selection switch. In the normal mode, engine thrust is set with engine pressure ratio (EPR); in the alternate mode, thrust…