I agree with Patrick about using a pencil to draw a light cross hatch pattern and sand until it’s gone. Do that every grit. Clean thoroughly between...
Take a closer look at the tightening bolt and see if there is an idler sprocket that it pushes against. The shaft for it may be stuck and a light tap...
I have a Gomad tilting spindle with sliding table similar to the pic in the previous post. If you look at the pic you can see a handle just above and...