Step 4 adjusting the chain.
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.
A flathead screwdriver is all that is needed to make a limit adjustment on most garage door openers.
Locate the lower cover of the garage door and use the screwdriver to open it.
This is where you will be working on in the next step.
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.
Adjust the close force control to change the amount of force your garage door opener uses to close the door.
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.
A sagging chain is a result of normal usage of the garage door opener.
Watch this video and see the professional at town country door llc demonstrates the.