Garage Door Opener Chain Tightness Adjustment

Close the garage door.

Garage door opener chain tightness adjustment.

You can then use your step ladder to look at the carriage assembly. The chain is a very important component that makes up a garage door opener system. There are only a few ways that the chain can be tightened. Just tighten enough to stop it hitting the rail.

Usually a pair of nuts are associated with the locking mechanism while one is concerned with the adjustment of the chain. Adjust the chain on a garage door opener with help from a garage door spec. Program your genie garage door opener to recognize when the door is completely closed. Position a stepladder at the area of the automatic opener.

Remember to not over tighten the chain. On the master link you will see two or three nuts. When your garage door opener isn t working properly there are several components you can adjust to address the issue. Unplug the power cord to the opener.

Pull down on the emergency release cord to disconnect the door from the. There may be an adjustment linked to the chain or an adjustment to the length of the door opener track. Step 4 tightening the chain. How do i adjust it.

The adjustment bolt a bolt with threads which the chain is connected to has a pair of adjusting nuts on either side of the assembly. Press and release the close travel limit button to move the chain or belt connector forward to engage the carriage assembly. The limit the force and the safety reverse. Step 1 adjust the limit turn the adjustment screw on the limit clockwise if the door doesn t fully close.

2 open the garage door and find the trolley on the opener rail. Once you adjust the chain the bottom of the chain should rest 1 4 inch above the bottom of the rail at your chalk mark. Use the wrench to loosen the lock nuts and turn the adjustment nut to set the slack in the chain. Press the close travel limit button again and hold it down until the bottom of the door is pressed firmly against the ground.

Garage door opener chain adjustment. The chain on my garage door opener seems to be sagging and rubbing on the track.