Step 3 disassembling the garage opener.
How to tighten a chain on a garage door opener.
There are only a few ways that the chain can be tightened.
Press and release the close travel limit button to move the chain or belt connector forward to engage the carriage assembly.
Turn it counterclockwise holding the other nut in your hand to prevent it from turning.
A flathead screwdriver is all that is needed to make a limit adjustment on most garage door openers.
Press the close travel limit button again and hold it down until the bottom of the door is pressed firmly against the ground.
Adjust the chain on a garage door opener with help from a garage door spec.
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The garage door opener loose chain or tight chain can be an easy diy.
If the door won t stay open to its full extent or doesn t close flush to the ground the travel control needs an adjustment.
Using your wrench you can start to loosen up the adjusting nut on the side of your carriage closest to the opener head.
Chain adjusts by shortening the chain itself.
Locate the lower cover of the garage door and use the screwdriver to open it.
Liftmaster and chamberlain are popular garage door openers with chains.
Both adjustment types should be done with the door closed and disconnected from the opener using the emergency release.
If the up travel isn t functioning properly turn the up limit adjustment screw clockwise.
The chain is a very important component that makes up a garage door opener system.
This is where you will be working on in the next step.
Program your genie garage door opener to recognize when the door is completely closed.