Align the opener s rail with the center of the garage door.
How to install garage door opener on garage door.
To install a garage door opener first assemble the rail carriage pulley and motor compartment according to the instructions.
The garage door opener mounting bracket also called the header bracket secures the carriage tube to the wall above the door.
After that attach the motor to the brackets and verify the rail is perfectly horizontal with a bubble level.
Attach brackets to the ceiling and door and position the end of the rail above the closed 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.
Fix the door bracket in place.
After that start installing the sensors.
With a safety ring and a steel pin join the free end of the rail with the header bracket.
The exact location depends on the type of door.
Place the opener on a ladder and use scrap lumber to get it at the height you need.