Most units hang from angle irons and metal straps that have holes drilled in them at regular intervals.
Putting a garage door opener up.
Open your door halfway and let go.
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.
Be sure to check your owner s manual for important safety information.
Bolt the angle irons to a rafter or rafters with lag screws.
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 straps to the irons with hex head screws.
Lean the end of the assembly opposite the motor compartment up above the garage door.
Securely mounted hardware and rails.
For instructions on how to install a new garage door opener see how to install a garage door opener.
Garage door opener assembly and installation let our experts walk you through the basics of a garage door opener installation step by step.
Connect the bracket and the end of the assembly as directed in the installation instructions.
Attach the bracket the opener came with to the wall above the door and then insert the end of the assembly into it.