Replacing A Garage Door Opener Chain

How to put a chain back on an automatic garage door opener step 1.

Replacing a garage door opener chain.

Remove the chain and cable assembly. Chain drive garage door opener uses a metal chain to open the garage door. It uses a chain running assembly unit attached to tension springs that lift the garage door up and down. Sprocket is at the end of the opener rail closest to the garage door opening.

Belt drive garage. Located at the top of the motor unit the gear and sprocket assembly drives the chain that opens and closes the garage door. Disengage the garage door from the opener by pulling down on the emergency pull cord to release the door trolley. Replace a broken gear and sprocket assembly with the manufacturer approved replacement part.

Chain drives a long chain pulls the door open and closed are the least expensive but they re loud. Start your garage door replacement project by removing the old one. Press the wall control button or remote so that the opener completes its close cycle and the sprocket on. If you are not confident in your ability to diagnose the problem call a local garage door service company.

Look to the end of the rail that hides the screw belt or chain to find the manual pull handle and the bracket to which it. Please subscribe to my new channel handy homeowner dedicated to how to videos like this one. Pull the emergency release rope to release the trolley from the garage door. Take the garage door opener down.

Use a step ladder to access the garage door opener s power cord and motor unit. The chain wraps around this sprocket as well as the gear and sprocket at the motor. Garage door openers are available with a chain drive screw drive or belt drive. This garage door opener works by moving gears and metal parts together.

These are widely used since they are affordable and easily available. Garage door opener chain kits discover a wide selection of high quality garage door chain kits from liftmaster. Screw drives a long threaded rod drives a mechanism that opens and closes the door are priced in the mid range.