Dale Crane - Aviation Maintenance Technician: Powerplant

Aviation Maintenance Technician Series: Powerplant
Fourth Edition

Aviation Supplies & Academics, Inc.
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Newcastle, Washington 98059-3153
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Website: www.asa2fly.com

Visit the Reader Resources webpage for further resources and updates to this book at www.asa2fly.com/amtp

2018 ASA
All rights reserved.

Cover photo Gary Gladstone via The Image Bank/Getty Images 2018

Photo credits and acknowledgments: Fig. 1-1Pratt & Whitney Division, United Technologies Corp.; Fig. 1-5The General Electric Company; Fig. 2-15Jerry Lee Foulk; Fig. 2-18Teledyne-Continental Motors; Figs. 5-6, 5-9, 5-20, 5-25, 5-34Bendix Electrical Components Division; p. 494Champion Aviation Products Division; Fig. 15-3Instrument Technology, Inc.; Figs. 15-4, 15-5Machida, Incorporated; Fig. 15-13Milbar Specialty Tools; Fig. 15-14Howell Instruments, Inc.; Fig. 17-28Sundstrand Corporation; Fig. 19-46The General Electric Company; Fig. 19-60TEC Aviation Division

Cermicrome is a registered trademark of Engine Components, Inc.
Cermisteel and CermilNil are trademarks of Engine Components, Inc.
All other trademarks are registered with their respective owners.

ASA-AMT-P4-EB
ISBN 978-1-61954-646-2

P reface to the F ourth E dition

Aviation maintenance is a profession requiring a broad spectrum of skills and knowledge that is constantly evolving as new technologies are introduced. Technicians today need a solid foundation of mechanics, physics, electricity, electronics and logic, in addition to the information unique to aircraft maintenance and construction. The training material in the Aviation Maintenance Technician Series is chosen to reflect todays required knowledge for the aviation maintenance technician. This material comes from a combination of both personal experience and research. Like previous editions, this Powerplant textbook, along with the other ASA maintenance volumes, endeavors to meet the needs of todays technicians.

ASA is dedicated to providing easy to understand training materials for the AMT certificate applicant. The chapters are carefully chosen to reflect FAA requirements, while the arrangement of information is intended to lend itself to a Part 147 curriculum. This arrangement also provides a logical flow of information that enhances individual learning. Therefore, the AMT Series textbooks contribute to the knowledge necessary for the building of well-rounded aircraft technicians, who will not only be equipped to understand the workings of aircraft systems, but will have the skills to repair, service, inspect, and troubleshoot them.

Additional recommended study materials would include such material as the FAAs Aviation Maintenance Technician HandbookGeneral (FAA-H-8083-30), Airframe (FAA-H-8083-31), and Powerplant (FAA-H-8083-32), also available from ASA. ASA provides the best collection of AMT-related federal aviation regulation reprints in FAR for Aviation Maintenance Technicians, printed yearly and provided with periodic updates on the ASA website (www.asa2fly.com). For those who are preparing to take their FAA exams, ASAs Test Guides are an invaluable tool to test your knowledge of aircraft maintenance.

Finally, we in aviation build on the legacy of the people who came before us as pioneers. That was true for the early experimenters trying to get off the ground for the first time just as it is true for todays mechanics, engineers, and pilots who are building and operating jumbo jets. The principle of building on the legacy of others is certainly true with this textbookDale Crane was the author of many of the ASA texts. Many students over the years came to trust Dales authorship to not only inform, but to do so in an accurate, concise, and straight-forward manner.

Later, technical editors carried on that tradition by updating the book as aviation technology continued to evolve. The current technical editor never had the opportunity to study directly under Mr. Crane but many of his mentors and friends began their careers in aviation as Mr. Cranes students. Therefore, the current technical editor benefits heavily from Mr. Cranes knowledge and ability. It is the goal of this editor to carry on in the tradition of quality and clarity that Dale Crane established.

T. David Scroggins
Technical Editor for the Fourth Edition

A bout the A uthor and E ditors

Dale Crane (1923 2010) was involved in aviation for more than 50 years. He began his career in the U.S. Navy as a mechanic and flight engineer in PBYs. After World War II, he attended Parks Air College. After college, he worked as an instrument overhaul mechanic, instrument shop manager, and flight test instrumentation engineer. Later he became an instructor and then director of an aviation maintenance school. Dale was active as a writer of aviation technical materials, and as a consultant in developing aviation training programs. ATEC presented to Dale Crane their special recognition award for his contribution to the development of aviation technicians as a prolific author of specialized maintenance publications. He also received the FAAs Charles Taylor Master Mechanic award for his years of service in and contributions to the aviation maintenance industry, and the recognition of his peers for excellence as a leader and educator in aircraft maintenance, and aviation safety advocate.

T. David Scroggins , technical editor for the Fourth Edition, is a Professor of Applied Aviation Science in the College of Aviation at LeTourneau University. He studied in Moody Bible Institutes Aviation program obtaining his Bachelor of Science in Missionary Aviation Technology; after earning his Mechanics certificate in 1981, David worked in several general aviation maintenance jobs in the U.S. and overseas. He started teaching at LeTourneau University in 1992; in 1996 he earned his Master of Science Degree in Technology from the University of Texas at Tyler. At LeTourneau David teaches courses in Reciprocating Engines, Turbine Engines, Propellers and Instrument Systems. He currently holds an Airframe and Powerplant Mechanic certificate, a Commercial Pilot Certificate and a Mechanic Examiners Designation.

Technical editors for the previous editions were Pat Benton, Western Michigan University, and Terry Michmerhuizen, Cornerstone College (First and Second Editions); Jerry Lee Foulk, LeTourneau University (Second and Third Editions).

A cknowledgements

A series of texts such as this Aviation Maintenance Technician Series could never be compiled without the assistance of modern industry. Many individuals have been personally helpful, and many companies have been generous with their information. We want to acknowledge this and say thank you to them all.

ACES SystemsTEC Aviation Division, Knoxville, TN

Aero Quality International, Stamford, CT

Aero-Mach Labs, Inc., Wichita, KS

Aeroquip Corporation, Jackson, MI

Airborne Division, Parker Hanniflin Corporation, Elyria, OH

Allied Signal Aerospace, Phoenix, AZ

Allison Engine Company, Indianapolis, IN

ASCO Aeronautical, Columbus, OH

Aviation Laboratories, Inc., Houston, TX

Barfield, Inc., Atlanta, GA

Beech Aircraft Corporation, Wichita, KS

Bendix Electrical Components Division, Sidney, NY

Cessna Aircraft Company, Wichita, KS

Chadwick-Helmuth Company, Inc., El Monte, CA

Champion Aviation Products Division, Liberty, SC

Continental Motors Group, Mobile, AL

Dowty-Rotol, Inc., Cheltenham, England