What must be inspected with the fifth wheel (Kingpin)?

Study for the Mississippi CDL Test. Prepare with flashcards and multiple-choice questions, each question featuring hints and explanations. Get ready for your Mississippi CDL exam!

The proper inspection of the fifth wheel, also known as the kingpin, is crucial for the safe operation of a combination vehicle. Inspecting for loose or missing pins ensures that the coupling is secure and that the trailer is properly attached to the vehicle. Proper engagement of locking pins is vital because these mechanisms hold the trailer in place, preventing it from disconnecting while driving, which could lead to serious accidents. Additionally, checking the positioning for clearance helps to ensure that there is adequate space between the tractor and trailer to avoid interference during maneuvering. These components are critical in maintaining the integrity of the connection between the truck and the trailer, emphasizing the importance of this inspection in vehicle operations.

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