How To Change Garage Door Opener Gear And Sproket Assembly

Flip the motor unit over.

How to change garage door opener gear and sproket assembly.

Remove the screws from the motor unit cover and pull the motor unit cover off. If it is just a gear you are replacing you should remove it after you have unbolted assembly and replace it with a new one by going in reverse order. This is a video on how to change the gear sprockets in a craftsman garage door opener. This gear and sprocket assembly is compatible with various chain drive garage door openers.

Then remove the screws. 41c4220a liftmaster gear and sprocket assembly. Remove the screws from the chain spreader and pull the chain spreader off the motor unit. Check the manual or replacement parts diagram for specific part information before.

If it is the entire assembly you need just replace the assembly with your new one. Helical gear and top hat assembly worm gear wear bushings grease and hardware needed to replace the chain drive gears. See full descriptions for garage door opener compatibility by model numbers. The gear assembly includes drive gear assembly worm gear wear bushings grease hardware and instructions for replacement.

Apply grease to the plastic drive gear. Remove the light covers and light bulbs from the motor unit. Remove the third screw securing the gear and sprocket assembly with a 5 16 open end wrench or a 1 4 socket wrench with a 5 16 socket. Because the mounting holes in the new gear and sprocket assembly aren t threaded thread the mounting screws into the new gear and sprocket assembly to make it easier to install the new assembly.

Remove the two screws closest to the back of the opener securing the gear and sprocket assembly with a 5 16 hex nut driver. Remove the gear and sprocket assembly. The replacement 41c4220a chain drive gear and sprocket assembly is for liftmaster and raynor chain drive garage door openers manufactured after 1991. Genuine genie replacement belt and chain drive sprockets main drive gears and more.