For those who have had their balls stuck in the Wonkavator because that screw on the right sticks out too far, I tried several different screws but the balls were still getting stuck coming out for Multiball so I ended up taking the two farthest screws out from underneath the ball lock mechanism and put a washer on just the left screw to pull it out just a bit. It was a little bit thicker washer than normal, it's a tight fit but that's good or else it would fall through. I just pushed it down a little bit to line it up to the hole, put back both screws and now it works like it should.
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