Simple Ways to Adjust Your Climatic Adjuster: To Adjust Convex (Hump) Loosen Nut B all the way on both sides. Tighten Nut A SLOWLY – a couple turns. Do the same to each side for uniform effect. Repeat process a few times, as necessary, allowing time in between (days) for change to fully take effect. … Read more How to Adjust Your Shuffleboard Table