Air Brake Coach
InspectionQuestion 82 of 116

How many full service brake applications do you make to adjust the automatic slack adjusters?

  1. 1
  2. 10
  3. 20
  4. 2
Show answer

Correct answer: 2

After the pre-trip, apply two full service brake applications to trigger the adjustment.

Source: Air Brake Manual: A Guide for Instructors (Government of Alberta, Alberta Transportation, March/April 2012), Practical training session details, page 14

Practice inspection

Questions last reviewed: 18 October 2026