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

AM.III.I.R4

Risk management

Considerations during fuel system maintenance.

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 - Powerplant p. 2-30
Chapter 2: Engine Fuel & Fuel Metering Systems › Fuel System Inspection & Maintenance
Fuel System Inspection & Maintenance The inspection of a fuel system installation consists basically of an examination of the system for conformity to design requirements together with functional tests to prove correct operation. Since there are considerable variations in the fuel ... detail. It is important that the manufacturer’s instructions for the aircraft concerned be followed when performing inspection or maintenance functions. Figure 2-48. TCM adjustment points…
Aviation Maintenance Technician Handbook - Powerplant p. 2-43
Chapter 2: Engine Fuel & Fuel Metering Systems › Engine Fuel System Components › Fuel Spray Nozzles & Fuel Manifolds
burning through the liner. Fuel nozzle types vary considerably between engines, although for the most part fuel is sprayed into the combustion area under pressure through small orifices in the nozzles. The two types of fuel nozzles generally used ... pressurizing valve or flow divider for dividing primary and secondary (main) fuel flow, but the simplex nozzle requires only a single manifold for proper fuel delivery. The fuel nozzles can be constructed to be installed in various ways…
Aviation Maintenance Technician Handbook - General p. 6-13
Chapter 6: Aircraft Weight & Balance › Hydrometer › Preparing an Aircraft for Weighing
tanks. The aircraft attitude may be a consideration when draining the fuel tanks and the maintenance manual should be consulted. In this case, the unusable fuel will remain in the lines and system, and its weight…