There is a clip that has to be removed. There's a tool for removing the clip, or you can be creative. I've read where folks have used a piece of cloth to catch the end of the clip and pull it backwards off the crank. I bent the end of a windshield wiper metal rail and use that to catch the "heel" of the clip and pull it off the crank. In the past I used a small flat blade screwdriver to pry the clip off. Many ways to do it.
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