binding

My main slide out on our 2020 heartland torque 371 sags quite a bit, like its scary to pop it out, and when we retract it I feel like its going to bind up and bring the main wall with it. I will bring it in a little and run out and try to push and pick up and run in and retract it a bit and do...

How does one remove the valance box that encloses the rolling blinds? I have removed the lower wood-type screws on either end of the valance and thought it would lift upwards but it does not seem to want to budge. The black out blind is binding against the top of the vertical wooden decorative...