We've got an S67 with the electric unfold on the hopper topper. The other day I forgot to unfold before harvesting and when the clean grain elevator alarm went off the grain was piled on the topper. I hit the switch and there was too much grain on it to lift. After working with it I got it to raise but now it doesn't fold all the way open. Have looked at it but not sure what is bent, out of line or what. So has this happened to anyone else? Suggestions on what could be the problem?