How To Adjust Chain On Chamberlain Garage Door Opener

This will cause premature wear on the chain rollers.

How to adjust chain on chamberlain garage door opener.

The proper fully closed position is when the seal on the bottom of the garage door is resting on the floor. Note these adjustment screws are on the upper right side of garage door openers. A flathead screwdriver is all that is needed to make a limit adjustment on most garage door openers. Over time though this slack can increase or the gear and sprocket assembly can wear and the chain may pop off the sprockets.

Find the chamberlain garage door opener technical support you need to get your garage door opener operational. 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 garage door is even with but not past the garage door opening header. This video details how to adjust the opener force and travel of the door.

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. Readjust down screw turn clockwise to change travel limit for the down position. I am not a professional.

Chain driven garage door openers should have some slack in the chain for optimal performance. Documenting how i repaired the garage door. If the up travel isn t functioning properly turn the up limit adjustment screw clockwise. The chain got loose and popped off the gear.

The garage door opener trolley should stop in the fully open position at minimum 1 inch from the stop bolt on the opener rail. The opener should not close to the. Adjust it tight enough so that the center of the chain sags about 1 2 down from parallel with the track graphic below right.