Air Brake Coach
Brake adjustmentQuestion 69 of 116

Why must you not use the emergency adjustment of an automatic slack adjuster as normal maintenance?

  1. It voids the licence
  2. It will damage the automatic slack adjuster
  3. It drains the air tanks
  4. It makes the lining thicker
Show answer

Correct answer: It will damage the automatic slack adjuster

Use the procedure only to reach a repair shop safely.

Source: Air Brake Manual: A Guide for Instructors (Government of Alberta, Alberta Transportation, March/April 2012), Module 8: Foundation brakes, page 85

Practice brake adjustment

Questions last reviewed: 18 October 2026