Transportation Inspector how-to
How to Check Brake Adjustment on an Air Brake Truck
Out-of-adjustment brakes are one of the most common serious violations.
Quick answer
Out-of-adjustment brakes are one of the most common serious violations. In short: chock; have; mark, then complete the remaining steps below.
Step by step
Chock the wheels and make sure the vehicle is secured.
Have air pressure at the proper level.
Mark pushrods at the chamber.
Have the brakes applied fully.
Measure pushrod stroke.
Compare with the limits for the chamber type.
Safety reminders for transportation inspectors
- Wear high-visibility clothing at roadside
- Chock wheels before going under vehicles
- Stay clear of moving traffic and equipment
- Follow hazmat safety procedures
Key terms
FMCSA · FMCSRs · Out-of-service order · CVSA · Level I inspection · Hours of service: see the full transportation inspector glossary.