Now you need to pull back on the release cord.
Garage door pull cord lock.
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You should feel and see the lever attach itself to the automatic door opener.
The lanyard is not very long so you must install the lock in one of the top door sections.
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The cable is unrolled and attached to the emergency release lever on the garage door opener s trolley.
Depending on your model you will have to move the chord to the appropriate location.
Manually move the garage door and return to down position.
Pull the emergency release cord toward the door.
The lock mechanism is installed into a hole on the garage door.
This lever is largely ignored until such time as you lose power and can no longer open the garage door automatically.
Pull the lever down though and you can raise the door manually.
Step 2 will allow you to freely move the garage door open and close.
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Garage door openers are equipped with an emergency release lever which usually has a cord hanging down.
Easy to install and it works as designed insert key and pull the lock cylinder out.
You will notice that there is a lever that moves up and down when you pull on the cord.
Once you are done maneuvering your garage door and are ready to re engage the automatic door opener please return the garage door back to the down position.
When the key is turned the body of the lock can be pulled through the door bringing the cable with it.