Certified Lubrication Specialist™ 

What is a Lubrication Specialist?

A Lubrication Specialist is an individual who might be designated a "Lubrication Engineer" by his/her employer. However, it is not limited to this designation, as individuals from varied backgrounds, including sales and management, opt to become CLS certified to increase their credibility/standards.


A Lubrication Specialist's Core Responsibilities

  • Evaluates and selects lubricants to use and their purchases.

  • Conducts lube surveys.

  • Trains lubricators and assembles work list.

  • Develops quality assurance and used lubricant analysis programs.

  • Troubleshoots and problem solves lubrication issues.

  • Maintains records of all application, as well as waste collection or disposal.

Requirements for Taking the CLS Exam

  • Three years of experience working in the field of lubrication

Becoming CLS Certified

CLS certification is obtained by scoring 70 percent or higher on the designated exam that standardizes the body of knowledge for a Certified Lubrication Specialist. Certification is valid for three years, after which individuals are required to recertify to maintain their CLS status.

Exam Topics

  • Bearings
  • Fluid Conditioning
  • Fluid Power
  • Gears
  • Lubricant Analysis
  • Lubricant Manufacturing
  • Lubrication Fundamentals
  • Lubrication Programs
  • Metalworking
  • Monitoring and Reducing Consumption of Lubricants
  • Pneumatics
  • Problem Solving
  • Seals
  • Solvents and Cleaners
  • Storage, Handling and Application of Lubricants
  • Transportation Lubricants