Aviation Mechanic - General, Airframe, and Powerplant › III. Powerplant › Task G. Engine Lubrication Systems

AM.III.G.S1

Skill

Inspect an oil cooler or oil lines.

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. 11-20
Chapter 11: Light-Sport Aircraft Engines › Lubrication System › Oil Change
necessary to remove oil lines and other oil connections. Draining the suction lines, oil cooler, and return line is not necessary and must be avoided, as it results in air entering the oil system. Replacement ... hydraulic tappets. Compressed air must not be used to blow through the oil system (or oil lines, oil pump housing, oil bores in the housing). Replace the oil drain screw torque and safety wire. Only…
Aviation Maintenance Technician Handbook - Powerplant p. 11-7
Chapter 11: Light-Sport Aircraft Engines › Description of Systems › Lubrication System
back to the oil tank by the blow-by gases. The turbocharger is lubricated via a separate oil line (from the main oil pump). The oil emerging from the lower placed turbocharger collects in the oil ... sump by a separate pump and is pumped back to the oil tank via the oil line (3). The oil circuit is vented via bore (5) in the oil tank. There is an oil temperature…
Aviation Maintenance Technician Handbook - Powerplant p. 6-38
Chapter 6: Lubrication & Cooling Systems › Turbine Engine Cooling › Accessory Zone Cooling
exhausted at the lower end back into the fan air stream. This area has both fuel and oil lines, so removing any unwanted vapors would be important. Figure 6-61. Accessory zone cooling. Zone 3 is the area around ... high-pressure compressor to the turbine cases. This zone also contains fuel and oil lines and other accessories. Air enters from the exhaust of the pre-cooler and other areas and is exhausted from the zone through…