Locate the cable clip that is attached to an s hook toward the front of the horizontal track.
Should garage door stay open manually.
Secure the garage door in this position by clamping vice.
If your garage door is very difficult to open manually it could be for several reason.
However if your garage door is the only way to access your garage you may need to contact a professional to open your garage door.
Your door may have defective springs or another issue if it can t stay open.
Raise the garage door up to its fully open position.
If any of the components is not functioning properly it can cause your door to be hard to open and cause damage to other parts in the system.
How to adjust manual garage doors to stay up step 1.
Springs on your garage door may hold it in place so it should stay open on its own when you manually operate it.