How To Replace Chain Driven Garage Door Opener

Connect the lifting arm from the door to the track.

How to replace chain driven garage door opener. Start your garage door replacement project by removing the old one. How to put a chain back on an automatic garage door opener. Install the new chain and cable assembly. Position a work table near the area under your motor unit to hold the garage door opener.

Look to the end of the rail that hides the screw belt or chain to find the manual pull handle and the bracket to which it. Run the wire through a conduit and connect it to the garage door opener motor. Disengage the garage door from the opener by pulling down on the emergency pull cord to release the door trolley from the opener carriage. If you like the chain drive system a newer opener will likely be quieter than the old types.

Mount the electric eyes about 6 from the floor on the inside of the garage. Chain drives a long chain pulls the door open and closed are the least expensive but they re loud. Openers have a set opening speed so installing an opener with a higher horsepower won t open your door any faster. Chain belt and screw drives.

Remove the chain and cable assembly. On the outside of the garage mount the wireless keypad using the screw gun. Grasp the end of the chain cable and pass approximately 12 inches of cable through the rail window. Use a step ladder to access the garage door opener s power cord and motor unit.

Lower the motor unit down. Lay the new chain and cable assembly beside the rail. Add general purpose grease to the idler pulley center hole if it s dry. Wire the keypad into the wall on the inside of the garage.

Garage door openers are available with a chain drive screw drive or belt drive. Of course if the unit is not working it may be time to consider replacing it.