Depending on your model you will have to move the chord to the appropriate location.
Garage door pulled red cord.
At that point push the button for the operator and when the trolley meets with the carriage the 2 will be connected.
You should feel and see the lever attach itself to the automatic door opener.
Then manually move the door so that the realease mechanism is centered on metal coupler.
To engage it remotely press the button on your remote control so that the door will move back into place.
Now pull on the cord and it will snap into place.
The trolley sits on the opener carriage.
The emergency release cord is the red rope that hangs from the door trolley.
Mine is a genie but if it s a belt it should work similarly.
Get a safe ladder with your remote move the belt so that the metal coupler is all the way back.
You will hear a click.
Pulling the red release cord will disengage the trolley from the opener carriage the part that is moved by the motor along the rail.
Once these two parts are separate you can move your garage door manually.
The trolley is connected to the door and moves with the door as it opens and closes.
Which moves the door.
When the release cord is pulled it disconnects the trolley from the carriage allowing you to manually move the door.
When the cord is pulled the garage door is disengaged from the opener and then free to move along the track on its own.
Step 3 be sure to leave garage door closed when not in use.
The purpose of the emergency pull cord on your garage door is to allow you to operate the garage door manually.
If you intend to continue manual operation pull the cord toward the door which will keep it from reconnecting to the carriage.
How to disengage and reengage your garage door opener if you need to open your door manually.
You will notice that there is a lever that moves up and down when you pull on the cord.
Now you need to pull back on the release cord.
The opener carriage is the automated mechanism that moves the door along the door rail track.
Through the attachment point the trolley is also connected to the opener carriage.
To reconnect simply pull the red cord on an angle.
The red cord is attached to a spring lever that can be put in 2 positions.
If you intend to leave your door in the manual setting pull the red cord backwards towards the motor.