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This usually takes more than one person. Have someone work the switch while two or three persons push evenly on the outside so as not to get the room cocked and out of alignment. It can be kind of tricky. It sounds like you may have sheared off a roll pin that holds the tracking correctly and this is a fairly common problem. Hope that helps. Please get back to me if you need more as all follow ups are included in our fee.
Are yours metal or rubber? If you know who made the slide hardware it would help here. Abuot 5 companies make these systems for the various manufacturers.
Not too expensive for parts and if you are handy with tools it isn't that hard and I can direct you. You should have a manual on it that came with the coach or it may be on the motor.
The name may be on the switch or key pad. The shaft bearing are pinned in and the gears are fixed with a roll pin you tap in with a drift punch. Hopefully, the gear tracks aren't damaged. That would be a lot bigger job here.
Just checking back in to see if you got all you needed here from me on this issue?