The diy repair guide and video show how to replace the drive chain and cable assembly on a garage door opener.
Garage door chain broken.
Replace the trolley carriage if the trolley carriage moves but the door doesn t open the culprit is probably a broken trolley carriage.
Press down on the chain with your finger.
Garage door doesn t open fix.
Sometimes the cable will break if it is a combination chain and cable drive system.
Documenting how i repaired the garage door.
You should have 1 2 inch of play in the chain.
I am not a professional.
The sprocket that turns the chain commonly break off and will make the chain hang down.
Causing the same effect.
A garage door opener chain may make a lot of noise when you pull it to open your door but it is one of the most reliable types of door openers ever invented.
Garage door opener is very strong and seldom does the chain actually break.
The plastic wheel or sprocket at the front of opener where it attaches above garage door will break and fall apart.
In this case the cable can be replaced fixing the problem.
For many generations people rely on this type of door opener not only because it is easy to use but also because it is cheap and can easily be repaired when broken.
This requires the activation of the door s emergency release feature and the manipulation of the tension bolt on both the existing and replacement garage door chains.
Grasp the chain 1 foot from where it connects to the end of the threaded chain anchor.
Pull the chain toward the garage door and hold it in position.
If your chain drive garage door opener motor starts but the door won t open the drive chain and cable might be broken.
Now i have never seen the chain itself break apart.
In my article about garage door opener troubleshooting i help you to correct the most common problems without having to consult either your owner s manual or an expensive professional.
If a chain is hanging down from the opener then something has broken.
The chain got loose and popped off the gear.
You can fix your broken door chain regardless of your familiarity with garage door repairs.
Your garage door opener stopped operating as it should.