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

AM.III.I.S20

Skill

Inspect fuel boost pump.

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. 14-21
Chapter 14: Aircraft Fuel Systems › Fuel Tanks › Integral Fuel Tanks
airliner. Fuel is prevented from flowing outboard during maneuvers. The tank boost pumps are located inboard of WBL 157. Integral fuel tanks must have access panels for inspection and repairs of the tanks and other fuel system components. On large ... needed. Figure 14-34. A typical flexible aircraft fuel line with braided reinforcement. Aircraft using integral fuel tanks normally have sophisticated fuel systems that include in-tank boost pumps. There are usually at least two pumps in each tank that…
Aviation Maintenance Technician Handbook - Airframe p. 14-33
Chapter 14: Aircraft Fuel Systems › Fuel System Components › Fuel Filters
located at the inlet to the boost pump as was shown in Figure 14-50. The screen’s large area allows debris capture while still permitting sufficient fuel flow for operation. Regularly scheduled inspection and cleaning of these strainers…
Aviation Maintenance Technician Handbook - Airframe p. 14-16
Chapter 14: Aircraft Fuel Systems › Aircraft Fuel Systems › Jet Transport Aircraft Fuel Systems
inspection or repair. The same fueling station is used, and the hose from the fuel truck is connected to same receptacle used to fuel the aircraft. To allow fuel to exit the aircraft, a defueling valve is opened. Fuel ... either be pumped out of the aircraft using the boost pumps located in the tanks that need to be emptied, or the pump in the refueling truck can be used to draw the fuel out of the tanks. Control over…