On a combination vehicle with a sliding fifth wheel, what must you confirm during inspection besides the coupling itself?

Pick an answer

1. That the fifth wheel is centered on the frame, regardless of whether the locking pins are engaged
2. That the fifth wheel slides freely at all times, even while driving
3. That the sliding mechanism is freshly painted
4. That the sliding fifth wheel's locking pins are fully engaged so it cannot shift under load

Correct!

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