Open your door halfway and let go.
Putting a garage door opener up.
For instructions on how to install a new garage door opener see how to install a garage door opener.
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 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.
Lean the end of the assembly opposite the motor compartment up above the garage door.
If the door is closing and the beam between the eyes is interrupted the door will automatically reverse.
Most units hang from angle irons and metal straps that have holes drilled in them at regular intervals.
Attach the bracket the opener came with to the wall above the door and then insert the end of the assembly into it.
Securely mounted hardware and rails.
Connect the bracket and the end of the assembly as directed in the installation instructions.
Bolt the angle irons to a rafter or rafters with lag screws.
If the eyes aren t connected the door won t operate.
Be sure to check your owner s manual for important safety information.