When inspecting a converter dolly before use, which items are essential?

• A.Only the paint and the ID plate
• B.Dollies require no inspection if they were used yesterday
• C.Tires, the dolly's fifth wheel and locking jaws, safety chains, air tank, and the pintle-eye/drawbar connection hardware
• D.Only the dolly's spare tire, if it carries one

Why

A dolly is a small trailer with its own brakes, coupler, and fifth wheel, and a failure in any of them drops or frees the rear trailer. It gets the same serious inspection as any other unit in the combination.

Manual topic: Combination Vehicles - Coupling Inspection · From the Combination Vehicles practice bank (CV-175).

Practice this subject as a full test

More Combination Vehicle Inspection questions

• After coupling, where should the fifth wheel locking jaws be closed?
• You see a visible space between the trailer apron (upper coupler plate) and the fifth wheel skid plate after coupling. What does this most likely mean?
• When inspecting the landing gear during a pre-trip inspection of a combination vehicle, what should you check?
• When inspecting the fifth wheel itself, which condition is a defect that must be fixed before driving?
• Why should the fifth wheel skid plate be kept properly greased?