How To Adjust Chamberlain Garage Door 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.
How to adjust chamberlain garage door chain. Note one full turn of these screws equates to a door travel distance of two inches. From informational videos to product manuals and troubleshooting articles the chamberlain group resource library has the information you need. Do not over tighten the chain. Find the chamberlain garage door opener technical support you need to get your garage door opener operational.
Position ladder below the back or rear portion of the opener to access the screws. I am not a professional. Establishing the travel limits of chamberlain 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.
The chain got loose and popped off the gear. Just tighten enough to stop it hitting the rail. 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. 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. Replacement gear kit if you need one http amzn to 2drtdvc if you. Note adjustment screws are on the left side of garage door opener motorheads. This video demonstrates how to program the travel on a chamberlain garage door opener with a yellow learn button.
Remember to not over tighten the chain. This will cause premature wear on the chain rollers.