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August 2023 Manual Release of Brakes in MRLs and Its Challenges

Publication Date: 2023
Article Link: Read Article


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SPECIAL NOTICE: Please check each course for verification of approval before purchasing.

This test is based on the article, Manual Release of Brakes in MRLs and Its challenges, published in the August 2023 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, Colorado, Florida, Georgia, Illinois, Indiana, Kentucky, Maryland, Mississippi, Missouri, Montana, Oklahoma, Pennsylvania, Vermont, Virginia, West Virginia, Wisconsin.

Learning Objectives - After reading this article, you should have learned about:

  • Manual release of brakes for emergency rescue operations of an elevator with a machine room and without (machine-room-less (MRL)
  • Code requirements related to manual release of brakes and rescue operations in MRL elevators
  • Mechanical means for releasing the brake with levers, brake-release cable and its challenges due to the capstan effect
  • Electrical means for releasing the brake using a battery, and with automatic speed control feature
  • Comparison between mechanical and electrical means and ways of overcoming the challenges

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  3. Include your full name when purchasing the exam.
  4. Follow the instructions on the purchase confirmation page to log in to the Online Testing Center.
  5. 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.

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