Align the opener s rail with the center of the garage door.
How to install garage door opener on garage door.
Attach brackets to the ceiling and door and position the end of the rail above the closed door.
Fix the door bracket in place.
With a safety ring and a steel pin join the free end of the rail with the header bracket.
Follow the manufacturer s instructions to assemble the opener and mount the rail to the header bracket above the door.
After that start installing the sensors.
Lift the motor compartment into place on the ceiling and attach the rail and carriage to the bracket on the door.
After that attach the motor to the brackets and verify the rail is perfectly horizontal with a bubble level.
Place the opener on a ladder and use scrap lumber to get it at the height you need.
Set it securely on top of a stepladder so it s conveniently close to the ceiling.
To install a garage door opener first assemble the rail carriage pulley and motor compartment according to the instructions.
Then install the motor brackets.