How Do I Release the Cylinder on a Bar Stool?
A seized gas cylinder is one of the most common bar stool problems, and it is also one of the easiest to sort out at home once you understand that the joint is a tapered press fit rather than a thread. This guide walks through releasing the cylinder safely, from taking the pressure out of the mechanism to using penetrating oil, a pipe wrench and a rubber mallet in the right order. It also explains what to do when the collar refuses to move, how to fit a replacement without damaging the seat plate, the safety rules that apply to pressurised springs, and how to judge whether a repair is worth the effort at all....