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.

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

If the up travel isn t functioning properly turn the up limit adjustment screw clockwise. Find the chamberlain garage door opener technical support you need to get your garage door opener operational. I am not a professional. Note one full turn of these screws equates to a door travel distance of two inches.

Establishing the travel limits of chamberlain garage door openers. This will cause premature wear on the chain rollers. 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 can adjust the open position using both the black button for open up movement and purple or yellow button for down close movement.

You loosen the locking inner nut and turn the outer nut clockwise to adjust the excess slack from the chain. From informational videos to product manuals and troubleshooting articles the chamberlain group resource library has the information you need. Remember to not over tighten the chain. 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.

Replacement gear kit if you need one http amzn to 2drtdvc if you. The chain got loose and popped off the gear.