This is where you will be working on in the next step.
How to adjust a chain on a garage door opener.
If the door won t stay open to its full extent or doesn t close flush to the ground the travel control needs an adjustment.
Adjust the chain on a garage door opener with help from a garage door spec.
A sagging chain is a result of normal usage of the garage door opener.
The chain is a very important component that makes up a garage door opener system.
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.
Locate the open force and close force controls to the right of the travel limit and set buttons on the power head unit control panel.
If the up travel isn t functioning properly turn the up limit adjustment screw clockwise.
A flathead screwdriver is all that is needed to make a limit adjustment on most garage door openers.
Adjust the close force control to change the amount of force your garage door opener uses to close the door.