How To Replace A Chain Drive Garage Door Opener

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.

How to replace a chain drive garage door opener. If you liked the video don t forget to leave a thumbs up. Start your garage door replacement project by removing the old one. Please subscribe to my new channel handy homeowner dedicated to how to videos like this one. Pull the chain cable out of the rail window.

Pull out the idler pulley bolt and slide the idler pulley 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. Pull the emergency release rope to release the trolley from the garage door. Lower the motor unit down.

Disengage the garage door from the opener by pulling down on the emergency pull cord to release the door trolley from the opener carriage. Shut the garage door if it s not already closed. Install the new gear and sprocket. Unplug the garage door opener.

Remove the gear and sprocket assembly. 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. How to put a chain back on an automatic garage door opener. Remove the chain and cable assembly.

Press the wall control button or remote so that the opener completes its close. Align the opener s rail with the center of the garage door. Use a step ladder to access the garage door opener s power cord and motor unit. An instructional video on removing or replacing the chain on a garage door opener.

Remove the fastener ring from the straight door arm connected to the outer trolley. Remove the chain and cable assembly. Place the opener on a ladder and use scrap lumber to get it at the height you need. Position a work table near the area under your motor unit to hold the garage door opener during the repair.