Project Guide

How to Install a Garage Door Opener

1
ASSEMBLE THE CARRIAGE TUBE
Assemble carriage tube - How Install Garage Door Opener
  • The carriage raises and lowers the door and the carriage tube travels along it form the power unit to the front wall of the garage.
  • Assemble carriage tube as directed.
  • Make sure to seat the carriage tube pieces securely.
  • Measure to verify the assembled length matches the length required by the manufacturer.
  • Make any necessary adjustments.
2
MOUNT THE CARRIAGE
Mount carriage - How Install Garage Door Opener
  • Mount the carriage on the front of the power unit.
  • Attach the rail clamps, which will later connect to a bracket on the wall above the door.
  • On some doors you’ll install switches and wiring at this point.
3
SLIP THE CARRIAGE OVER THE TUBE
Slip carriage over tube - How Install Garage Door Opener

Follow the manufacturer’s directions because different makes and models attach differently.

4
MOUNT THE HEADER BRACKET
Mount header bracket - How Install Garage Door Opener
  • The header bracket holds the carriage tube to the wall above the door. The exact location depends on the type of door.
  • Lift the power unit.
  • Set it on top of a stepladder.
5
HANG POWER UNIT FROM CEILING
Hang power unit ceiling - How Install Garage Door Opener
  • Most units hang from angle irons and metal straps that have holes drilled in them at regular intervals.
  • Bolt the angle irons to a rafter (or rafters) with lag screws.
  • Attach the straps to the irons with hex-head screws.
  • Attach the straps to the power unit with the hardware provided.
  • Open the door several times to make sure it doesn’t hit the opener while moving.
6
ATTACH BRACKET THAT CONNECTS ARM
Attach bracket connects arm - How Install Garage Door Opener
  • The door is opened by one arm that lifts it as the carriage travels along the tube.
  • You must attach the bracket that connects the arm to the door before you can attach the arm itself.
  • The exact location varies, depending on the door.
  • Follow the manufacturer’s instructions.
7
PLUG IN SAFETY DEVICE
Plug safety device  - How Install Garage Door Opener
  • By law, all units have a safety device that shuts down the motor if something is in the path of a closing door. The safety device is usually a light beam and sensor.
  • Mount one on each side of the door as directed.
  • Plug the unit into its socket.
  • Test the operation and make any necessary corrections.