CLS Program Information Applicants taking the exam must attest to three years minimum experience in the field of lubrication. Further, in the event of a failed exam, a one-year waiting period will be required before retaking the examination.
What is a Lubrication Specialist? A Lubrication Specialist is an individual who might be designated a "Lubrication Engineer" by his/her employer. The job description for a Lubrication Specialist includes but is not limited to the following:
Certification recognizes those individuals who possess current knowledge of lubrication fundamentals and theory. Certification is obtained by scoring at least 70% on a three-hour exam with 150 questions chosen at random from a stockpile of questions covering the following subjects:
All candidates will be notified regarding their exam results as soon as possible. Exams grades are stated as having passed the exam, scoring 70% or above, or not achieving the required 70% needed to pass. No other description will be given regarding the grade status.
The reference materials listed 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. Those listed here are in common usage. The list is not meant to be all-inclusive or exclusive, but rather to represent a reasonable cross-section of industry consensus.