How to Reline Your Brakes

Suggested Brake Relining Procedures

  1. Remove the drum and inspect it for general wear, cracks, heat-checks and other evidence of potential over-heating.
  2. Inspect the brake lining, ensuring there is even wear on both shoes, across the axel, all breaks on a tandem. Uneven wear indicates an issue.
  3. Inspect the rollers, pins and bushings for uneven wear. (Note: These components will be discarded along with the springs, but identifying uneven wear will pinpoint problem areas in the foundation brake).
  4. Inspect the spider, brackets and air chamber for damage and security.
  5. Inspect the cam bushings, cam shaft and slack adjuster for wear. (Note: It is recommended that the cam bushings be replaced at each reline, especially if there is indication of uneven wear).
  6. Replace the lining with material that is suited to the application by GAWR, A/L factor and tire size.
  7. Inspect the shoe for stretch, warping, anchor pin fit and roller fit.
  8. Install all new hardware, bushings and other components to ensure they will operate satisfactorily through the next reline.
  9. Adjust the brakes in accordance with the manufacturer's recommendation.
  10. Road test the vehicle to ensure proper brake operation. (Note: It is recommended that brakes be applied at high input pressure without locking the wheels. A minimum of 20 stops should be made).
  11. Let the brakes cool and check adjustments.

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