How To Adjust Chain On Chamberlain Garage Door Opener

This video details how to adjust the opener force and travel of the door.

How to adjust chain on chamberlain garage door opener.

Do not over tighten the chain. Over time though this slack can increase or the gear and sprocket assembly can wear and the chain may pop off the sprockets. This will cause premature wear on the chain rollers. The garage door is even with but not past the garage door opening header.

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. Adjust it tight enough so that the center of the chain sags about 1 2 down from parallel with the track graphic below right. The proper fully closed position is when the seal on the bottom of the garage door is resting on the floor. 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. If the up travel isn t functioning properly turn the up limit adjustment screw clockwise. I am not a professional. Chain driven garage door openers should have some slack in the chain for optimal performance.

You can put the chain back on your automatic garage door opener using a simple adjustment mechanism. Note these adjustment screws are on the upper right side of garage door openers. The opener should not close to the. Find the chamberlain garage door opener technical support you need to get your garage door opener operational.

Documenting how i repaired the garage door. The chain got loose and popped off the gear. Testing the activation of safety mechanisms with garage door openers.