That's all good information.
I would add that in the case of a motor replacement for a slide that doesn't have a motor notch, it's not really easy to "adequately support the slide room" then "push the slide-out out". If I had a fork lift maybe...
Also the Schwintek frame is glued to the RV wall. You can't push it out - maybe a couple of pry bars or a winch.
What I did is cut notches with an angle grinder and dremel tool. That sounds easy, but it isn't on the side of each of my 3 slides where access is very limited. Still, I think it was easier than the alternative.
I've done this twice. Both times it was broken wires probably because the motor turned having not been adequately held down into place.