We protect people and the businesses they run.â„¢
J. J. Keller company logo

0 Items

Safety & Compliance Resources

J. J. Keller protects people and the businesses they run. You can trust our expertise across a wide range of subjects relating to labor, transportation, environmental, and worker safety. Our deep knowledge of federal and state agencies is built on a strong foundation of more than 100 editors and consultants and 70+ years of regulatory compliance experience.

Company & Careers

J. J. Keller protects people and the businesses they run. You can trust our expertise across a wide range of subjects relating to labor, transportation, environmental, and worker safety. Our deep knowledge of federal and state agencies is built on a strong foundation of more than 100 editors and consultants and 70+ years of regulatory compliance experience.


Improper brake adjustments is the most common reason tractor-trailers are placed out of service. Brake violations in general are among the most common vehicle violations written at the roadside. These defects and failures shouldn't happen with a well-maintained and regularly inspected vehicle. A professional CMV driver must ensure the brakes are working properly before every trip.

This course is designed to help drivers understand how the brake system works, how to properly inspect the brake system, and how to use brakes correctly so they don't wear too fast or fail when needed most.

  • The eLearning course covers the following topics:
    • Components and Systems
      • Components
      • Parking Brakes
      • Emergency Brakes
      • Service Brakes
      • Wheel Components
    • How it Works and How to Use
      • Releasing Parking Brakes
      • Applying the Parking Brakes
      • Applying Service Brakes
      • Air Leak Safety Features
    • Inspection
      • Component Inspections
      • System Check
  • After completing this course, learners will be able to:
    • Explain air brake systems and how they work
    • Describe how to inspect the brake system
    • Explain how to use brakes correctly to prevent early wear and failure
  • Intended Audience: Any CMV driver operating a vehicle equipped with air brakes
  • Length: 20 minutes
  • Regs Covered: 49 CFR Subpart C to Part 393?
  • Languages: Available in English or Spanish
  • Copyright Date: 2021

Interested in a license to use J. J. Keller content on your LMS?
For a quote to use this training on your learning management system, contact us at customsolutions@jjkeller.com or 1-800-327-6868.   Learn more.

Format: Online Course

Compliance Topic: DOT and Driver Training

Industry: Transportation

Language: English