November 2010 Hydraulic Elevators: Taking Care of the Oil
SPECIAL NOTICE: Please check each course for verification of approval before purchasing. This test is based on the articles, Hydraulic Elevators:Taking Care of the Oil and Hydraulic Elevators: Importance of Oil Cleanliness published in the November 2010 issue and counts as one contact hour (0.1 CEU) of elevator-industry continuing-education credit. Most courses are approved by NAEC for CET/CAT and NAESAI for QEI and in the following states: Alabama, Arkansas, Florida, Georgia, Illinois, Indiana, Kentucky, Maryland, Mississippi, Missouri, Montana, Oklahoma, Pennsylvania, Vermont, Virginia, Washington, West Virginia, Wisconsin. Learning Objectives - After reading this article, you should have learned about:
- How to prevent contaminants from affecting hydraulic components
- Oil overheating
- Why hydraulic systems fail
- How particle contamination of hydraulic oil occurs
- Which parts of a power unit are the most sensitive to oil cleanliness
- How oil cleanliness levels can be determined
- Consequences of particle contamination
- If you do not already have an account on elevatorbooks.com, you will need to create one. NOTE: the name of the person purchasing must be the same name as the person who will take the exam.
- For articles, click the "Read Article" tab above to download and study the article. For other courses, be sure to purchase the corresponding book.
- Include your full name when purchasing the exam.
- Follow the instructions on the purchase confirmation page to log in to the Online Testing Center.
- If you scored 80% or above, you can immediately print your certificate of completion. If you fail the exam, you will be given instructions on how to pay a re-take fee and take the exam again.