Practice question

Using the applied stroke method on an s-cam brake with a manual slack adjuster, when does ICBC's guide say the brake needs adjustment?

  1. If applied stroke is more than 1 3/4 inches
  2. If applied stroke is exactly 1 inch
  3. If applied stroke is less than 1/2 inch
  4. Only when the red trailer supply valve closes

Answer: A — If applied stroke is more than 1 3/4 inches

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