The Joy of Metal Clay: Tumbler Problems?

My tumbler which I have had for four years began to act up the other week. And my back up tumbler died at the same time. My first response was helplessness. Then I thought hey, maybe I can fix this. What happened was a problem with the band inside the tumbler. Here is a picture of a replacement band below. The first thing I did was to open my tumbler. My main tumbler is a Loritone 3A tumbler which is pretty common. (My backup tumbler is a Chicago Electric Power Tools tumbler) For simplicity I am going to show how …