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.

Before you do any repairs you need to know what is wrong with your door opener chain. You can put the chain back on your automatic garage door opener using a simple adjustment mechanism. Sometimes the cable will break if it is a combination chain and cable drive system. Garage door reverses before hitting the floor.

To do this open and close the garage door several times using the chain door opener and observe the performance of your opener. To repair your broken garage door opener chain here is what you should do. The main drive gear is the plastic gear that comes in direct contact with the worm drive gear on the motor. 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.

Over time the sprocket s teeth can wear and the chain may. Step 1 diagnose the problem. How to fix a garage door chain drive sprocket. 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.

Chain drive garage door openers have a sprocket that is attached at the top of the motor. So start by tightening the chain find the procedure in your owner s manual. Garage door opener won t open all the way fix. 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.

Over time though this slack can increase or the gear and sprocket assembly can wear and the chain may pop off the sprockets. Chain driven garage door openers should have some slack in the chain for optimal performance. 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. Two possible problems can lead to a garage door reversing before it even touches the floor.

Garage door opener is very strong and seldom does the chain actually break.