if my memory is still working, there was a pinch bolt on the arms at the ends of the cross shaft which when tightened pinched the arms tightly on the cross shaft, if you loosened the bolts you should be able to remove the arms, hope that helps.
Why yes it does, 3B and thank you very much for that information.
Jockbolter: Part of the fun of working on a truck that a.) was totalled and b.)I made a profit on is that c.)I now get to fix what's not broken!
