I encounter QR steering wheels fairly frequently on motorhomes. The boss is fixed to the steering column by the same method as the original wheel, i.e. tapered splines or hexagon with a threaded portion beyond which a nut goes onto. The wheel itself is secured to the boss via three 6mm dowels and two retractable pegs to release it plus a keylock to securely fix it in place. The keylock should ALWAYS be used to secure the wheel to the boss. Just this saturday gone I submitted a motorhome for MOT with a removable wheel and it passed with four advisory notices, all wheel bearings. The tester was most surprised when I popped the steering wheel off in front of him.
D.
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