Brake Burnishing

Brake Burnishing

This is critical to ensure proper brake function after brake reline or other major brake maintenance is performed

APTA Recommended Procedure:

  • 10 snubs
  • From 20 to 5 MPH
  • At approximately 32% decel or every 500’ without stopping
  • After the 10th snub‚ make 1 complete stop from 20 MPH

Better Methods:

  • 20/20/20 – 20 stops from 20 MPH at 20 PSI‚ or 40 MPH to 20 MPH ten times
  • The purpose is to gradually raise the brake temperatures‚ to properly seat all brake components‚ mate the lining to the brake drum to improve contact and to cure the material
  • Measure brake drum temperature to ensure proper brake function
  • Side to side on same axle should generally be within 25° F
  • Steer to rear axle should be within approximately 50° F.  This may vary more due to brake valve specifications‚ suspension component compatibility and retarder function

Friction Varied Application

Brake Shoes

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Friction Extreme Duty

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Application Guide

Premium vs. Economy Grade ROI Analysis


Brake Shoe Identification

How To Read Your Brakes

Failure Analysis

Know Your Brake Temperatures

Identifying Brake Noise

Brake Maintenance

How to Reline Your Brakes

Brake Burnishing

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