How To Adjust Chamberlain Garage Door Chain

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.

How to adjust chamberlain garage door chain.

Note one full turn of these screws equates to a door travel distance of two inches. 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. You loosen the locking inner nut and turn the outer nut clockwise to adjust the excess slack from the 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. This will cause premature wear on the chain rollers. The chain got loose and popped off the gear. Position ladder below the back or rear portion of the opener to access the screws.

From informational videos to product manuals and troubleshooting articles the chamberlain group resource library has the information you need. Establishing the travel limits of chamberlain garage door openers. Documenting how i repaired the garage door. Do not over tighten the chain.

Just tighten enough to stop it hitting the rail. Find the chamberlain garage door opener technical support you need to get your garage door opener operational. I am not a professional. You can adjust the open position using both the black button for open up movement and purple or yellow button for down close movement.

Remember to not over tighten the chain. This video demonstrates how to program the travel on a chamberlain garage door opener with a yellow learn button.