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Suggested Reading Material for the STLE CLS Exam
CLS® BODY OF KNOWLEDGE / SUGGESTED READING MATERIAL FOR
THE CERTIFIED LUBRICATION SPECIALIST EXAM


The reference materials below will help you review and understand the subject areas that are covered by the exam. Practical experience of the candidate is of equal importance. Knowing the reference material ONLY will not guarantee passing the exam.
Neither STLE, nor its CLS Committee, approve or endorse any independent education or training programs, or publications by individuals or organizations. These listed here are in common usage. The list is not meant to be all-inclusive or exclusive, but rather to represent a reasonable cross-sectional industry consensus.
Bearings 
The Lubrication Engineers Manual - Third Edition, AIST, (2007), 186 Thorn Hill Road, Warrendale, PA 15086-7528 
 
Fluid Power
The Lubrication Engineers Manual - Third Edition 
 
Gears
The Lubrication Engineers Manual - Third Edition 
 
General References
Basic Handbook of Lubrication, Third Edition, The STLE Alberta Section, 2011.
Available for purchase in the STLE Store; available in both the perfect-bound and spiral-bound formats. Read the review here.

Handbook of Lubrication & Tribology, Volume I – Application and Maintenance, George E. Totten, Ed. 2006. Available for purchase in the STLE Store. Read the review here.

Lubrication Analysis
The Lubrication Engineers Manual - Third Edition 
 
Lubrication Manufacturing
The Lubrication Engineers Manual - Third Edition 
 
Lubrication Fundamentals
The Lubrication Engineers Manual - Third Edition 
 
Lubrication Programs
The Lubrication Engineers Manual - Third Edition 

Seals
The Lubrication Engineers Manual - Third Edition 
 
Solvents and Cleaners
The Lubrication Engineers Manual - Third Edition 

Storage, Handling and Application of Lubricants
The Lubrication Engineers Manual - Third Edition -
Revised 02/08

*The Lubrication Engineers Manual - Fourth Edition, is available for purchase on the AIST website. Once there, click on "Steel Library" under Publications, and conduct a search for the title. Read the review here.

 
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