Garage Door Opener Chain Hanging Down
If the door seems okay there may be a problem with the trolley or the opener itself.
Garage door opener chain hanging down. It has a bronze bearing that wears over time and lets the sprocket lean forward. There s usually a piece of rope hanging from it which is used to disengage and re engage the opener. The garage door opener loose chain or tight chain can be an easy diy. Press the wall control button or remote so that the opener completes its close cycle and the sprocket on.
That is usually an indicator of wear in the worm gear sprocket drive assemblies. Liftmaster and chamberlain are popular garage door openers with chains. The chain may also have come off due to too much play in the sprocket on the overhead opener. If you watch the chain on your opener one side hangs in the up direction and the opposite side hangs going down.
The trolley is responsible for pushing or pulling the opener arm along the chain so as to open and close the garage door. Disengage the garage door from the opener by pulling down on the emergency pull cord to release the door trolley. This could be causing your chain to seem to have grown. Follow me in th.