How To Take Chain Off Garage Door Opener

Find the master link attached to each end of the trolley to shorten the chain for the desired length.

How to take chain off garage door opener.

One bolt will tighten up the chain the other loosen it. Remove the fastener ring from the straight door arm connected to the outer trolley. Model 139 53990ds thanks so much. It is not normal that you have to remove two feet from a garage door opener chain.

Shut the garage door if it s not already closed. Tighten the chain and then turn the power back on. I am putting a garage door in and the adjustments i ve had to make caused the chain to be too long and i need to shorten it. How to put a chain back on an automatic garage door opener step 1.

Remove the chain and cable assembly. Pull the chain cable out of the rail window. This is where you will be working on in the next step. You can find a chain breaker by going to the link below.

You will need a chain breaker to cut the chain where you want it. Disconnect the trolley threaded shaft from the chain by removing the master link clip on spring master link cap and master link bar. Press the wall control button or remote so that the opener completes its close cycle and the sprocket on. Locate the lower cover of the garage door and use the screwdriver to open it.

Disengage the garage door from the opener by pulling down on the emergency pull cord to release the door trolley. The garage door opener chain is similar to a bicycle chain with a master link. Once you have access to the inner components of the garage door opener locate the master link the point where the chain forms a junction with the cable. Pull out the idler pulley bolt and slide the idler pulley out of the rail window.