Replacing The Chain On A Garage Door Opener

You can put the chain back on your automatic garage door opener using a simple adjustment mechanism.

Replacing the chain on a garage door opener.

Chain drive garage door opener uses a metal chain to open the garage door. Replace the chain and cable 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. Read on to find out which garage door opener is best for you.

Start your garage door replacement project by removing the old one. This diy repair guide explains how to replace the gear and sprocket assembly on a chain drive garage door opener. How chain and belt drives work. Over time though this slack can increase or the gear and sprocket assembly can wear and the chain may pop off the sprockets.

If the chain and cable assembly breaks the door won t move. This garage door opener works by moving gears and metal parts together. In this case the cable can be replaced fixing the problem. Chain driven garage door openers should have some slack in the chain for optimal performance.

Garage door openers are available with a chain drive screw drive or belt drive. Located at the top of the motor unit the gear and sprocket assembly drives the chain that opens and closes the garage door. 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 attaches. If the gear and sprocket assembly breaks the motor runs but the door won t move.

Sometimes the cable will break if it is a combination chain and cable drive system. Screw drives a long threaded rod drives a mechanism that opens and closes the door are priced in the mid range.