Place the opener on a ladder and use scrap lumber to get it at the height you need.
How to install garage door opener on garage door.
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.
The garage door opener mounting bracket also called the header bracket secures the carriage tube to the wall above the door.
Lift the power unit.
Fix the door bracket in place.
To install a garage door opener first assemble the rail carriage pulley and motor compartment according to the instructions.
After that start installing the sensors.
After that attach the motor to the brackets and verify the rail is perfectly horizontal with a bubble level.
Align the opener s rail with the center of the garage door.
Set it securely on top of a stepladder so it s conveniently close to the ceiling.
Then install the motor brackets.