Garage Door Chain Sprocket Broke

Pull the chain toward the garage door and hold it in position.

Garage door chain sprocket broke.

The most common cause for the. This is a common problem on craftsmans. The sprocket that turns the chain commonly break off and will make the chain hang down. They do not just fall off.

In this case the cable can be replaced fixing the problem. Press down on the chain with your finger. If a chain is hanging down from the opener then something has broken. If i was doing it i would charges an 85 service call plus the 2 part.

The plastic wheel or sprocket at the front of opener where it attaches above garage door will break and fall apart. You need to get a gear and sprocket kit. If the chain on your garage door is rusty you need to apply lubricant into it to loosen the corrosion. If the chain is seriously old 20 or 30 years i would probably use a new chain.

Roller chain rarely breaks. Garage door opener will cost you anywhere from 300 500 to replace i usually keep at least two. After close examination we found the chain was off track. Grasp the chain 1 foot from where it connects to the end of the threaded chain anchor.

It comes with the sprocket assy worm gear and the motor drive gear. Disconnect power to the unit take off the cover of the unit. If the chain has come apart because of the gear and sprocket then this is what you will have to replace inside the motorhead it is very common for the gear and sprocket to come apart or wear out because the gear inside the opener is made of plastic. To do this put some lubricant on a piece of rag this use the rag to wipe the chain.

Garage door didn t open in the morning. On some openers the chain is half wire and half cable the cable usually breaks. What it sounds like is that the sprocket broke. Causing the same effect.

Sometimes the cable will break if it is a combination chain and cable drive system. Slide the pulley toward the garage door until the chain is stretched tight then move it toward the motor until the middle of the chain touches the upper side of the chain arm. Tighten the bolts on. Garage door opener is very strong and seldom does the chain actually break.