Garage Door Opener Chain Repair

Some openers use a smooth sprocket rather than one with teeth.

Garage door opener chain repair.

The chain got loose and popped off the gear. Move the ladder back under the carriage assembly. Move the ladder to the opener motor and place the chain around the sprocket on top of the motor unit. A new front sprocket costs about 150 200 include the labor to install it.

If your chain is badly corroded you may need to remove the chain from the carriage assembly and soak it in lubricant for a few hours. Genie chaindrive 550 garage door opener heavy duty chain drive system includes 2 3 button remotes wall console wireless keypad safe t beams model 2035 tkv black 4 6 out of 5 stars 279 194 98 194. Just tighten enough to stop it hitting the rail. If you are not confident in your ability to diagnose the problem call a local garage door service company.

Remember to not over tighten the chain. Documenting how i repaired the garage door. I am not a professional. Sprocket is at the end of the opener rail closest to the garage door opening.

Over time the sprocket s teeth can wear and the chain may jump or skip when the opener raises the door. Soaking the chain in lubricant for a few hours will help loosen the rust. To do this put some lubricant on a piece of rag this use the rag to wipe the chain. Chain drive garage door openers have a sprocket that is attached at the top of the motor.