Air Brake Coach
InspectionQuestion 88 of 116

How do you check the tension of a compressor belt?

  1. Pull the belt at the pulley
  2. Spray the belt with water
  3. Pull the belt at the middle of the longest run
  4. Look at the belt in the dark
Show answer

Correct answer: Pull the belt at the middle of the longest run

Pull the belt at the middle of the longest run to check the tension.

Source: Air Brake Manual: A Guide for Instructors (Government of Alberta, Alberta Transportation, March/April 2012), Module 10: Vehicle inspections, page 42

Practice inspection

Questions last reviewed: 18 October 2026