The cable side is extremely tight the chain side is extremely loose.
Liftmaster garage door chain loose on one side.
It is possible that the vertical track down the side has gone out of alignment and shifted due to a slightly loose lag screw.
Whether you have a belt drive chain drive or wall mount model find helpful resources manuals videos and more to help you diagnose and fix the problem.
The trolley is responsible for pushing or pulling the opener arm along the chain so as to open and close the garage door.
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The one you re looking for is attached to a bolt found at the spot where the trolley or carriage connects to the rail.
The door rail connector is at the end closest to the door since the door.
You don t want it too tight or it has cause the sprocket bushing to wear out prematurely.
If you watch the chain on your opener one side hangs in the up direction and the opposite side hangs going down.
Tightening your garage door chain is a simple matter of turning the right nut.
The chain on your opener is just like the chain on a bicycle.
Push the door push the door back to adjust the door and get the center aligned again.
Garage door is in the down position seems to want to continue to go down since its cable is still tight.
I released the safety handle but the chain drive is still jammed.
By pushing the door back into position you should have made the vertical track straighten.
Just make sure that the chain hangs around 1 2 below the top of the rail.
One side will always look a.
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