Loosen the set screws with a wrench while holding the first winding bar you ll feel significant tension as the screws are removed.
Garage door orientation.
This unexpected movement in the garage door s path should cause the garage door to ascend.
Garage entry doors garage to home entry doors may be an exception to the inward swinging rule.
Usually you will have two springs on your door which will be color coded.
The reason your gear is not rotating both ways is your sensors are not completing their circuit.
Could be wiring or bad sensors if that doesn t fix it since your new gear was put in.
Check the alignment of your sensors.
To adjust a door that can t stay open bring the first winding bar up to a 90 degree angle with the garage door this is a quarter turn.
If the open doorknob is on your right side it s a right hand door.
Some builders have them swing inward to the garage instead of the home for safety reasons.
If it s on your left side the door is left handed.
As the garage door is lowering quickly pass your foot in the path of the closing garage door.
Most of the time the end on the right hand wind is red and the left and wind is black as you can see on the graphic below.
To determine the door swing while replacing an existing door step into the doorway with your back to the hinges standing sideways in the opening facing the jamb where the door latches.