Whether you have a belt drive, chain drive or wall-mount model, find helpful resources for your LiftMaster garage door opener and parts – manuals, videos and more – to help you diagnose and fix the problem. From informational videos to product manuals and troubleshooting articles, the Chamberlain Group resource library has the information you need. The main drive gear is the plastic gear that comes in direct contact with the worm drive gear on the motor. View and Download Genie Screw Drive user manual online. Screw Drive garage door opener pdf manual download. Many garage openers use nylon drive gears that … LiftMaster Garage Door Openers Troubleshooting & Support Get the LiftMaster garage door support you need from Chamberlain Group. The older Genies that you can turn the screw as you described are much better than the newer Genies. Includes Remote Control and SERIES II Electronics Screw Drive Series. They all use the same capacitors regardless of when they were made. Most screw-drive openers from Genie, Overhead Door, and Chamberlain (LiftMaster, Sears/Craftsman, Chamberlain, etc.) I have a 1/2 HP Craftsman screw drive garage door opener model 139.53991. Stripped Screw-drive Coupler. If I release the door from the track and try the opener, the track rattles when the trolley gets to the center of the track. have a coupler that connects the motor to the screw. If your garage door opener will not open or close the garage door when holding down the wall button and you can hear the motor operating it is most likely an internal or external drive gear on the door opener that has worn or damaged. When it gets cold the garage door comes down half way, stops, and then goes back up. The problem you are describing is usually caused by the capacitor failing. If your opener is made before 1993, please click here for important information. If the coupler strips out, the motor will run but the screw will not be turning, and the door … Garage Door Opener Won't Open All the Way Fix: Replace the main gear drive If the garage door opener makes a grinding noise but the door doesn't move, your main drive gear is probably toast. Find the Chamberlain garage door opener technical support you need to help fix any issues you may be having with your garage door opener and parts. Troubleshoot any problems you may be having with your Genie garage door opener, including lights blinking, door reversing, remote issues and more. FAQ: Troubleshooting Genie garage door opener products. If your screw drive garage door opener is making a loud noise that sounds like a machine gun, the carriage is most likely stripped. You can purchase a Genie carriage for Genie openers or there is an inner slide rack for Chamberlain, Craftsman, LiftMaster Openers.This is a simple fix that will get your garage door opener running again so you can use your door as normal.