How To Install New Garage Door Motor

Begin by putting together the main assembly.

How to install new garage door motor.

When buying a garage door opener choose a 1 3 hp or 1 2 hp garage door opener for a single garage door 1 3 hp can be hard to find at some home centers. Now remove the three screws that hold the sprocket in place. Attach the rail. This should come in several pieces that fit easily together.

Drill pilot holes image 1 and secure the bar with screws. Attach them together as. It should be at least 7 feet above the floor to allow sufficient headroom for people walking under it. Begin installing your new door.

If you re installing a two car garage door place a reinforcing bar on the top panel to prevent the door from bowing in the center. Be sure the bar is centered on the panel. Screw the bracket to the wall above the door make sure the screws go into the wood beam and connect the opener assembly opposite to the motor to it. You can now remove the motor gear and sprocket assembly from the unit too.

New garage door installation overview. Go with 1 2 hp for a double door and 3 4 hp for a door that has a wood or faux wood overlay they can be heavy. Then you will need to slide the carriage also known as a trolley over the rail. This weight coupled with deteriorating hardware makes older garage doors a frequent scene of home accidents.

Next attach the motor end to the blocking with by 2 inch long lag screws. Dislodge the old motor assembly from the unit. An older double garage door can weigh anywhere from 250 to 450 lbs. Attach hinges to the top of each panel image 2.

Choose the right garage door opener. Locate the four screws with which the motor assembly is attached to the opener s frame and unscrew them.