Fixing A Garage Door Opener Chain

Once you ve replaced the worn door components check the garage door opener chain.

Fixing a garage door opener chain.

Chain driven garage door openers should have some slack in the chain for optimal performance. If your garage door is closing fully and then reversing to open again then it may be due to a problem with the close limit switch. In order to fix this you ll want to make small changes to the close limit setting until the door opener knows to stop once the door has reached the floor. Garage door opener is very strong and seldom does the chain actually break.

To repair your broken garage door opener chain here is what you should do. Garage door openers have an adjustment screw that controls the closing force the pressure with which a door is allowed to descend before the motor switches off when the door reverses before it even hits the floor this is often because the close force. Two possible problems can lead to a garage door reversing before it even touches the floor. So start by tightening the chain find the procedure in your owner s manual.

If the door stalls or. Garage door opener won t open all the way fix. You can put the chain back on your automatic garage door opener using a simple adjustment mechanism. Step 1 diagnose the problem.

Over time though this slack can increase or the gear and sprocket assembly can wear and the chain may pop off the sprockets. Replace the main gear drive if the garage door opener makes a grinding noise but the door doesn t move your main drive gear is probably toast. To do this open and close the garage door several times using the chain door opener and observe the performance of your opener. Chain drive garage door openers have a sprocket that is attached at the top of the motor.

Sometimes the cable will break if it is a combination chain and cable drive system. Over time the sprocket s teeth can wear and the chain may. The main drive gear is the plastic gear that comes in direct contact with the worm drive gear on the motor. How to fix a garage door chain drive sprocket.

A loose garage door opener chain makes loud slapping sounds and causes jerky door movements that smack the rollers against the track.