Practice question

What is the danger of manual slack adjusters being out of adjustment (excessive pushrod stroke)?

  1. The truck will consume 50% more engine oil
  2. The brake chamber pushrod will reach the bottom of its travel stroke without applying adequate friction against the drum, resulting in severe braking failure
  3. The vehicle headlights will point upwards
  4. The air compressor will stop pumping air entirely

Answer: B — The brake chamber pushrod will reach the bottom of its travel stroke without applying adequate friction against the drum, resulting in severe braking failure

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