Garage Door Opener Chain Repair

If you are not confident in your ability to diagnose the problem call a local garage door service company.

Garage door opener chain repair. Sprocket is at the end of the opener rail closest to the garage door opening. Place the chain around the front sprocket on the rail. The chain got loose and popped off the gear. Documenting how i repaired the garage door.

I am not a professional. Remember to not over tighten the chain. Move the ladder back under the carriage assembly. Replacement gear kit if you need one http amzn to 2drtdvc if you.

Over time the sprocket s teeth can wear and the chain may jump or skip when the opener raises the door. 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. Soaking the chain in lubricant for a few hours will help loosen the rust.

A new front sprocket costs about 150 200 include the labor to install it. Move the ladder to the opener motor and place the chain around the sprocket on top of the motor unit. The chain wraps around this sprocket as well as the gear and sprocket at the motor. Some openers use a smooth sprocket rather than one with teeth.