How to remove play in a machine for sharpening chains of chainsaws and power saws in 3 minutes video

Hello everyone) I bought a machine for sharpening chains, I came across a problem - a backlash, which is located at the junction of the upper cutting part and the fastener.
it turns out that such a flaw in all machines and the price does not matter. solved this problem in 3 minutes with adhesive tape)