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What should you check about the pintle hook and the trailer's drawbar eye (lunette) during inspection?
- A.That the hook is painted so rust cannot form
- B.That the hook is not cracked or worn, the eye is not egg-shaped or damaged, and the latch closes and locks over the eye
- C.Only that the safety chains reach the hook
- D.Wear on the eye is harmless because chains carry the load
Correct answer
B. That the hook is not cracked or worn, the eye is not egg-shaped or damaged, and the latch closes and locks over the eye
Why
The pintle and eye carry the full towing force between units, and worn or cracked parts can separate under load. Chains are a backup, not the primary connection, so the hook and eye themselves must be sound.
Manual topic: Combination Vehicles - Coupling Inspection · From the Combination Vehicles practice bank (CV-176).