Set it securely on top of a stepladder so it s conveniently close to the ceiling.
How to install garage door opner on garage door.
With a safety ring and a steel pin join the free end of the rail with the header bracket.
Install the garage door opener.
After that attach the motor to the brackets and verify the rail is perfectly horizontal with a bubble level.
After that start installing the sensors.
The garage door opener mounting bracket also called the header bracket secures the carriage tube to the wall above the door.
Lean the end of the assembly opposite the motor compartment up above the garage door.
Fix the door bracket in place.
Garage door openers come in several varieties.
Align the opener s rail with the center of the garage door.
Connect the bracket and the end of the assembly as directed in the installation instructions.
Place the opener on a ladder and use scrap lumber to get it at the height you need.
Lift the power unit.
Follow the manufacturer s instructions to assemble the opener and mount the rail to the header bracket above the door.
Then install the motor brackets.
To install the opener you ll need to hang another angle iron from the center joist on your garage s ceiling.