Replacing A Garage Door Opener Chain

Belt drive garage.

Replacing a garage door opener chain.

If the gear and sprocket assembly breaks the motor runs but the door won t move. Start your garage door replacement project by removing the old one. Garage door opener chain kits discover a wide selection of high quality garage door chain kits from liftmaster. Remove the chain and cable assembly.

These are widely used since they are affordable and easily available. Chain drives a long chain pulls the door open and closed are the least expensive but they re loud. Located at the top of the motor unit the gear and sprocket assembly drives the chain that opens and closes the garage door. Press the wall control button or remote so that the opener completes its close cycle and the sprocket on.

Whether you need pulley brackets replacement chains or extensions our garage door chain kits come with the parts and pieces to help you get the job done. If you are not confident in your ability to diagnose the problem call a local garage door service company. This garage door opener works by moving gears and metal parts together. It uses a chain running assembly unit attached to tension springs that lift the garage door up and down.

Use a step ladder to access the garage door opener s power cord and motor unit. Sprocket is at the end of the opener rail closest to the garage door opening. Take the garage door opener down. Disengage the garage door from the opener by pulling down on the emergency pull cord to release the door trolley.

The chain wraps around this sprocket as well as the gear and sprocket at the motor. A new front sprocket costs about 150 200 include the labor to install it. Please subscribe to my new channel handy homeowner dedicated to how to videos like this one. Chain drive garage door opener uses a metal chain to open the garage door.

Screw drives a long threaded rod drives a mechanism that opens and closes the door are priced in the mid range. Replace a broken gear and sprocket assembly with the manufacturer approved replacement part. How to put a chain back on an automatic garage door opener step 1.