How To Replace A Chain Drive Garage Door Opener

Align the opener s rail with the center of the garage door.

How to replace a chain drive garage door opener.

Install the new gear and sprocket. Start your garage door replacement project by removing the old one. Disconnect the trolley threaded shaft from the chain by removing the master link clip on spring master link cap and master link bar. Pull out the idler pulley bolt and slide the idler pulley out of the rail window.

Use a step ladder to access the garage door opener s power cord and motor unit. Pull the chain cable out of the rail window. Follow the manufacturer s instructions to assemble the opener and mount the rail to the header bracket above the door. Remove the chain and cable assembly.

If you liked the video don t forget to leave a thumbs up. If your old opener is extremely noisy it is probably an older chain drive unit. Remove the chain and cable assembly. 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.

Position a work table near the area under your motor unit to hold the garage door opener during the repair. Please subscribe to my new channel handy homeowner dedicated to how to videos like this one. Press the wall control button or remote so that the opener completes its close. Both are known to be quieter than the chain drive.

Remove the gear and sprocket assembly. How to put a chain back on an automatic garage door opener. An instructional video on removing or replacing the chain on a garage door opener. Shut the garage door if it s not already closed.

Pull the emergency release rope to release the trolley from the garage door. Place the opener on a ladder and use scrap lumber to get it at the height you need. If the noise level bothers you or you would simply like to have a less noisy opener you could replace the old chain drive unit with a newer belt or screw drive. Lower the motor unit down.