How To Install A Garage Door Opener

A garage may present perks for the average homeowner; however, executing the instructional on how to install a garage door opener can prove daunting for a beginner. The luxury of owning a garage door opener saves homeowners from getting soaked on a rainy day, or conveniently positions the car nearby for grocery transference. In fact, a garage door opener may reduce home invasions; however, a dysfunctional garage door opener can potentially place homeowners in harms way. For instance, a quick getaway from a raging fire can potentially trap residents within the home if the only exit directs toward the garage. Homeowners can clearly see the importance of installing a functional garage door opener. 

Collect these items before installing the garage door opener:


  • A new, used, or refurbished garage door opener
  • A garage door opener mounting bracket
  • A package of lag screws
  • 2” by 4” pieces of wood
  • Insulated staples
  • Shims
  • Screw drivers
  • Wrenches
  • Socket set
  • Drills
  • Drill bits
  • Step ladder
  • Level
  • Hacksaw
  • Tape measure
  • Hammer
  • Pliers
  • Wire cutters
  1. Gather all of the T-rails and assemble them according to the directional arrow stickers. Tightly screw the bolts securely before aligning the idler pulley. Bolt the idler pulley to the guide rails.
  2. Slide the trolley onto the rails before jointly securing the guide rails by bolting them shut.
  3. Use a screwdriver to firmly hold the trolley in its place before attaching the motor belt to the trolley. Thread the motor belt around the idler pulley and sprocket on the garage door opener unit. Attach the loose end to the opposite side of the trolley.
  4. Assess the highest peak the door reaches above the tracks. Allow a 2” spacial buffer, and then assess the central measurements of the door. Mark the intersection between the two lines. Use the measurements outline to mount the garage door opener bracket. A 2” by 4” slab of wood, plus two supporting studs may need installation to hold the mount bracket into place.
  5. Open the door. Use the shims to level a 2” diameter above the door.
  6. Close the door. Mount the idler pulley to the header above the door. Make sure the garage door opener unit sets on a step ladder for support.
  7. Use the lag screws to secure the garage door mounding bracket to the ceiling joists. Attach the hanging brackets to the center of the garage door opener unit. Assure a crossed intersection between the two hanging brackets securely holds the garage door unit firmly in place.
  8. Mount the push button control in the desired location of the garage. Mounting the push button control near the entrance of the home is the most popular suggestion.
  9. Install the laser sensors on both sides of the garage door entryway. Secure the electronic wiring using insulated staples along the edges of wall surrounding the garage door entryway. Connect the wires to the terminals.
  10. Assemble the garage door with the guide rail. Connect the curved door bracket, and ensure that it remains securely closed. Mount the straight door bracket to the trolley. Align and bolt both arms together.
  11. Power the opener. Switch on the power and watch the garage door opener smoothly function.
  12. Use the instructional manual to adjust according to desired specifications.
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