Align the opener s rail with the center of the garage door.
How to install garage door opner on garage door.
Connect the bracket and the end of the assembly as directed in the installation instructions.
Garage door openers come in several varieties.
Lift the power unit.
Follow the included instructions to hook up the opener and fasten it to the spring system with a pulley and cable.
Place the opener on a ladder and use scrap lumber to get it at the height you need.
After that start installing the sensors.
To install the opener you ll need to hang another angle iron from the center joist on your garage s ceiling.
Install the garage door opener.
The exact location depends on the type of door.
Then install the motor brackets.
Follow the manufacturer s instructions to assemble the opener and mount the rail to the header bracket above the door.
After that attach the motor to the brackets and verify the rail is perfectly horizontal with a bubble level.
Attach the bracket the opener came with to the wall above the door and then insert the end of the assembly into it.
With a safety ring and a steel pin join the free end of the rail with the header bracket.
Fix the door bracket in place.