The chain got loose and popped off the gear.
Garage door chain too long.
I am putting a garage door in and the adjustments i ve had to make caused the chain to be too long and i need to shorten it.
If your garage has torsion springs across the inside of the door opening you need a professional to adjust the.
Garage door openers are designed to safely lower the door at an even and slow speed in order to prevent injuries to people or pets or damage to cars.
Too much tension equates to a door that doesn t close all the way or remain closed.
Pull the chain toward the garage door and hold it in position.
Both adjustment types should be done with the door closed and disconnected from the opener using the emergency release.
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Thread the nut s facing the door clockwise until it meets the bracket then release the chain.
Chain adjusts by shortening the chain itself.
A garage door that comes down too quickly requires prompt repairs because of damaged or failing components.
There are only a few ways that the chain can be tightened.
Seems to leave me with two options.
Too much tautness in the chain could lead to it breaking.
2 increase the length of the rail that rests on top of the opener.
I am not a professional.
Documenting how i repaired the garage door.
Press down on the chain with your finger.
Looks like different parts of the system door rails and chain opener were replaced at different times and not really set up to work together well.
Grasp the chain 1 foot from where it connects to the end of the threaded chain anchor.
Model 139 53990ds thanks so much.
1 shorten the chain.