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The coupling pins of your trailer hitch have a diameter of 38 mm when new. What should you note regarding wear?

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The diameter may not fall below 36.5 mm across the entire extent of the coupling surface

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The lower pin guide should not exhibit any excessive free play

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The coupling pin may fall below a single-sided diameter of 36.5 mm on the coupling surface

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Meistere das Fahren mit KI – Bereiten, Üben, Bestehen!

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