Liftmaster Garage Door Chain Broke

An instructional video on removing or replacing the chain on a garage door opener.

Liftmaster garage door chain broke.

This gear and sprocket assembly is compatible with various chain drive garage door openers. Grasp the chain 1 foot from where it connects to the end of the threaded chain anchor. In this case the cable can be replaced fixing the problem. Thread the nut s facing the door clockwise until it meets the bracket then release the chain.

Garage door opener is very strong and seldom does the chain actually break. The garage door s path may be blocked. Press down on the chain with your finger. One of the most common repairs on a liftmaster garage door opener is a broken gear sprocket.

From logic boards to chain kits to safety reversing sensors find the right liftmaster replacement part to help you with any garage door opener repair project. Contact a liftmaster dealer to diagnose the problem and provide service. The springs are broken. I bought this to replace the identical broken one on my brand new garage door opener.

This is the part that connects the motor to the chain or belt. While the piece itself is fine i wanted a longer term solution because judging on the reviews these just weren t made to last for their intended. Helical gear and top hat assembly worm gear wear bushings grease and hardware needed to replace the chain drive gears. High quality rigorously tested and durable only liftmaster parts are recommended for repairing your garage door opener.

Pull the chain toward the garage door and hold it in position. Sometimes the cable will break if it is a combination chain and cable drive system. After several years the garage door springs become weaker causing more stress on this particular part causing it to fail and wear out. We design and engineer residential garage door openers commercial door operators and gate entry systems.

Chamberlain group cgi the corporate parent company to liftmaster chamberlain merlin and grifco is a global leader in access solutions and products. 041c4220a is a complete chain drive gear and sprocket replacement kit. The door needs lubrication. The track is not aligned properly.

You should have 1 2 inch of play in the chain. The safety sensors are out of alignment. Explore more replacement parts below.