Continue altering the down limit screw until the door closes entirely and rests on the ground. Make certain that it does not slam shut or leave a major hole. 3. Using a flathead screwdriver, flip the up limit screw clockwise to improve the opening limit or counterclockwise to decrease it. https://troyicrfq.win-blog.com/19233768/how-old-chamberlain-travel-limit-adjustment-old-liftmaster-travel-limit-adjustment-screw-drive-garage-door-opener-travel-limits-can-save-you-time-stress-and-money