You may want to check your slide motor mounting screws frequently as the slide motor screws pulled completely out of the wall during our Alaska trip last summer. The motor produces considerable torque, but was just screwed into the composite wall, not into an aluminum structural element. I first glued it on with Gorilla glue on the screw threads, but that lasted only a short time. In the Yukon, I designed and built a cradle from two pieces of 1" x 4" fir. I drilled holes and screwed the motor to one piece using the original lag screws. I cut a semicircle out of the top of the other 1x4, rested the cylindrical end of the motor in it, and held it in the cradle with perforated metal strapping that I had used as a new hanger for my black water pipe when it broke loose from the trailer frame. I then screwed both pieces of wood to the floor with small steel angles. It worked perfectly during the rest of the Alaska trip, even over rough roads, and I have had to do nothing more to it since.
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