How To Adjust Chamberlain Garage Door Chain

Position ladder below the back or rear portion of the opener to access the screws.

How to adjust chamberlain garage door chain.

A flathead screwdriver is all that is needed to make a limit adjustment on most garage door openers. 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. Note adjustment screws are on the left side of garage door opener motorheads. Just tighten enough to stop it hitting the rail.

This will cause premature wear on the chain rollers. Documenting how i repaired the garage door. Replacement gear kit if you need one http amzn to 2drtdvc if you. This video demonstrates how to program the travel on a chamberlain garage door opener with a yellow learn button.

You loosen the locking inner nut and turn the outer nut clockwise to adjust the excess slack from the chain. These usually consist of a bolt with two or three nuts one or two for locking or a nut and lock washer and one for adjusting. Find the chamberlain garage door opener technical support you need to get your garage door opener operational. Establishing the travel limits of chamberlain garage door openers.

Note one full turn of these screws equates to a door travel distance of two inches. Sure the garage door opens far enough for your vehicle but not past the point where the bottom of the garage door is even with the header of the garage door opening. Remember to not over tighten the chain. If the up travel isn t functioning properly turn the up limit adjustment screw clockwise.

You can adjust the open position using both the black button for open up movement and purple or yellow button for down close movement. I am not a professional.