Garage Door Gear Broke

The most common cause of a chain being loose and appearing broken is a broken gear and sprocket.

Garage door gear broke.

Your garage door opener has a gear and sprocket that will eventually fail. Liftmaster chamberlain craftsman garage door opener comp gear kit for 41a5021. When a spring breaks on a garage door an immense amount of energy is displaced. The plastic gear on the drive shaft is designed to fail if the garage door gets stuck in the travel tracks protecting the expensive drive motor from damage.

This can be easily replaced by a garage door service technician. Located at the top of the motor unit the gear and sprocket assembly drives the chain that opens and closes the garage door. Liftmaster and chamberlain garage door openers are very common for this. The spring on my garage door broke and scott replaced the entire spring system with a more up to date design see all shamrock overhead door reviews door depot.

This is a video on how to change the gear sprockets in a craftsman garage door opener. 8 27 2020 the spring inside the shaft on my garage door broke i contacted my home warranty company and they contracted your company five star garage doors to do the job. If the gear and sprocket assembly breaks the motor runs but the door won t move. Replace a broken gear and sprocket assembly with the manufacturer approved replacement part.

100 brand new authentic liftmaster chamberlain craftsman part. The gear and sprocket assembly is inside the cover of the garage door opener motor. The 41c4220a oem liftmaster gear and sprocket assembly is the preferred way to refurbish your garage door opener as it quickly replaces all of the common wear parts in the opener drive system. Replace the garage door opener gear and sprocket assembly as the drive shaft and sprocket rotate they drive the trolley that lifts and lowers the garage door.

Torsion springs are mounted over the garage door and they have a shaft running through the middle. When they break the spring unwinds in less than a second and creates a loud noise due to the coils spinning on the shaft.