Practice question

Which describes the proper kingpin inspection?

  1. Confirm it is removable
  2. Spin it to check freedom of movement
  3. Verify it is not bent, worn, or damaged, and is fully seated in the fifth wheel jaws
  4. Lubricate the kingpin itself

Answer: C — Verify it is not bent, worn, or damaged, and is fully seated in the fifth wheel jaws

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