How To Adjust Chain On Chamberlain Garage Door Opener

Over time though this slack can increase or the gear and sprocket assembly can wear and the chain may pop off the sprockets.

How to adjust chain on chamberlain garage door opener.

You can put the chain back on your automatic garage door opener using a simple adjustment mechanism. Readjust down screw turn clockwise to change travel limit for the down position. This video details how to adjust the opener force and travel of the door. The garage door opener trolley should stop in the fully open position at minimum 1 inch from the stop bolt on the opener rail.

Documenting how i repaired the garage door. This will cause premature wear on the chain rollers. The opener should not close to the. The garage door is even with but not past the garage door opening header.

If the up travel isn t functioning properly turn the up limit adjustment screw clockwise. 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. Testing the activation of safety mechanisms with garage door openers.

Do not over tighten the chain. The chain got loose and popped off the gear. Adjust it tight enough so that the center of the chain sags about 1 2 down from parallel with the track graphic below right. 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 these adjustment screws are on the upper right side of garage door openers. Find the chamberlain garage door opener technical support you need to get your garage door opener operational. I am not a professional.