If the door is closing and the beam between the eyes is interrupted the door will automatically reverse.
Putting a garage door opener up.
If the door moves up or down on its own the torsion spring is out of adjustment which causes your opener to work harder and wear out faster.
Attach the straps to the irons with hex head screws.
If the eyes aren t connected the door won t operate.
Make sure the garage door is balanced.
Most units hang from angle irons and metal straps that have holes drilled in them at regular intervals.
Connect the bracket and the end of the assembly as directed in the installation instructions.
For instructions on how to install a new garage door opener see how to install a garage door opener.
Open your door halfway and let go.
Lean the end of the assembly opposite the motor compartment up above the garage door.
Securely mounted hardware and rails.
Attach the straps to the power unit with the hardware provided.
Close the door and pull the emergency release cord always close the door first so it can t come crashing down.
Attach the bracket the opener came with to the wall above the door and then insert the end of the assembly into it.