Aviation Mechanic - General, Airframe, and Powerplant › III. Powerplant › Task A. Reciprocating Engines

AM.III.A.S4

Skill

Identify the parts of a cylinder.

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. 6-20
Chapter 6: Lubrication & Cooling Systems › Requirements for Turbine Engine Lubricants › Typical Wear Metals & Additives
Identifying the metal can help identify the engine components that are wearing or failing. Iron—wear from rings, shafts, gears, valve train, cylinder walls, and pistons in some engines. • Chromium—primary sources are chromed parts (such as rings, liners…
Aviation Maintenance Technician Handbook - Powerplant p. G-19
Glossary
move the pistons in and out of the cylinder. The amount of the offset determines the stroke of the engine. Oil analysis. A method of measuring the contents in parts per million of various chemical elements in oil. A sample ... burned in an electric arc, and the resulting light is analyzed with a spectroscope which identifies the chemical elements in the oil and gives an indication of the amount of each element. This type of oil analysis is called…
Aviation Maintenance Technician Handbook - Powerplant p. 1-23
Chapter 1: Aircraft Engines › Propeller Shafts
shafts are identified by taper numbers. Splined and flanged shafts are identified by SAE numbers. The propeller shaft of most low power output engines is forged as part of the crankshaft. It is tapered, and a milled slot is provided ... keyed to the shaft. The keyway and key index of the propeller are in relation to the No. 1 cylinder top dead center. The end of the shaft is threaded to receive the propeller retaining nut. Tapered propeller shafts…