Garage Door Opener Sprocket Broke Off

Open the garage door by hand until the door arm engages with the opener carriage.

Garage door opener sprocket broke off. The sprocket on top of the garage door opener broke off so the chain isn t connected to the garage door opener anymore. And is not under warranty. Use a step ladder to access the garage door opener s power cord and motor unit. Report this by manage my life.

Reinstall the sprocket cover if applicable and plug the opener power cord into the ceiling outlet. The opener is a craftsman 1 2 h r. Lower the motor unit down. How can i fix this.

The most common cause of a chain being loose and appearing broken is a broken gear and sprocket. I want to know if it is cheaper to fix this machine or to buy a new one. This can be easily replaced by a garage door service technician. Place a stepladder near the motor and unplug the power cord for the motor from the electrical.

My garage door opener is broken. Remove the chain and cable assembly. Position a work table near the area under your motor unit to hold the garage door opener. Push the wall control button to test the opener operation.

One of the most common repairs on a liftmaster garage door opener is a broken gear sprocket. The gear on the top of the machine that cranks the chain has sheered off and is broken. After several years the garage door springs become weaker causing more stress on this particular part causing it to fail and wear out. The gear and sprocket assembly is inside the cover of the garage door opener motor.

Pull down the trolley cord to release the trolley from the chain arm and lower the door by hand. Readjust the opener s limit switches weight sensors and safety reverse system as needed. I want to re use the garage door rail i have because it s one piece that s 6 or 7 ft long i didn t measure but it s about that long.