Aviation Mechanic - General, Airframe, and Powerplant › III. Powerplant › Task I. Engine Fuel and Fuel Metering Systems

AM.III.I.K14

Knowledge

Fuel valves.

Study note

Get a short, cited explanation of this element written from the FAA handbooks: the core idea, the numbers that matter, common test traps, and a quick self-check.

From the FAA library

Aviation Maintenance Technician Handbook - Airframe p. 14-24
Chapter 14: Aircraft Fuel Systems › Fuel System Components › Fuel Valves
Rigid metallic fuel lines are clamped to the airframe with electrically bonded cushion clamps at specified intervals. Fuel Valves There are many fuel valve uses in aircraft fuel systems. They are used to shut off fuel flow or to route ... different names related to their location and function in the fuel system (e.g., shutoff valve, transfer valve, crossfeed valve). Fuel valves can be manually operated, solenoid operated, or operated by electric motor…
Aviation Maintenance Technician Handbook - Powerplant p. 2-26
Chapter 2: Engine Fuel & Fuel Metering Systems › Fuel-Injection Systems › Fuel Manifold Valve
Fuel Manifold Valve The fuel manifold valve contains a fuel inlet, a diaphragm chamber, and outlet ports for the lines to the individual nozzles. [Figure 2-44] The spring-loaded diaphragm operates a valve in the central bore ... installed in the diaphragm chamber. Carburetor Removal Figure 2-42. Fuel air control unit. From the fuel-injection control valve, fuel is delivered to the fuel manifold valve, which provides a central point for dividing fuel flow to the individual…
Aviation Maintenance Technician Handbook - Powerplant p. 2-45
Chapter 2: Engine Fuel & Fuel Metering Systems › Engine Fuel System Components › Fuel Pressurizing & Dump Valves
Fuel Pressurizing & Dump Valves The fuel pressurizing valve…
Aviation Maintenance Technician Handbook - Powerplant p. 2-46
Chapter 2: Engine Fuel & Fuel Metering Systems › Engine Fuel System Components › Combustion Drain Valves
If the combustion chamber is of the basket or annular type, the…