How To Install A Garage Door Opener Chain

After that start installing the sensors.

How to install a garage door opener chain. Fix the door bracket in place. Then install the motor brackets. The garage door opener mounting bracket also called the header bracket secures the carriage tube to the wall above the door. Align the opener s rail with the center of the garage door.

Disengage the garage door from the opener by pulling down on the emergency pull cord to release the door trolley. 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. Set it securely on top of a stepladder so it s conveniently close to the ceiling.

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. Place the opener on a ladder and use scrap lumber to get it at the height you need. Lift the motor compartment into place on the ceiling and attach the rail and carriage to the bracket on the door.

Attach brackets to the ceiling and door and position the end of the rail above the closed door. Lift the power unit.