Aviation Mechanic - General, Airframe, and Powerplant › III. Powerplant › Task L. Engine Exhaust and Reverser Systems

AM.III.L.S7

Skill

Perform a pressure leak check of a reciprocating engine exhaust system.

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. 3-23
Chapter 3: Induction & Exhaust Systems › Reciprocating Engine Exhaust Systems › Reciprocating Engine Exhaust System Maintenance Practices
Some exhaust units are manufactured with a plain sandblast finish. Others may…
Aviation Maintenance Technician Handbook - Powerplant p. 3-21
Chapter 3: Induction & Exhaust Systems › Reciprocating Engine Exhaust Systems
Modern exhaust systems, though comparatively light, adequately resist high temperatures, corrosion, and vibration to provide long, trouble-free operation with minimum maintenance. There are two general types of exhaust systems in use on reciprocating aircraft engines: the short ... stack (open) system and the collector system. The short stack system is generally used on nonsupercharged engines and low-powered engines where noise level is not too objectionable. The collector system is used on most large…