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How to replace a garage door opener
- 1. How To Replace a broken garage door opener By Keith Bentley
- 2. What you’ll need • Step ladder • Socket wrench • Channel lock pliers • Screwdriver
- 3. Step 1: Safety First • Before starting any work, first unplug the garage door opener • Make sure you wear safety glasses or sun glasses to protect your eyes
- 4. Step 2: Inspection • Examine the door springs to check for wear. Worn SpringGood Spring: Even Coil Separation
- 5. Step 3: Replace Door Spring • First remove braided wire from spring hook end • Next, Unhook Spring
- 6. Step 3 (cont.): Replace Door Spring • Take apart door spring pulley using channel lock pliers and socket wrench • Remove braided wire from pulley end of door frame
- 7. Step 3 (cont.): Replace Door Spring • Attach new spring hook end first • Then attach pulley and feed new braided wire through spring • Tie braided wire on hook end first • Then tie spring pulley end
- 8. Step 4: Remove Trolley Attachment • Remove trolley attachment from door using channel lock pliers and socket wrench Remove these two screws
- 9. Step 5: Remove Opener Power Wires • Remove opener power wires with a screwdriver Loosen these screws
- 10. Step 6: Remove Opener Support Bolts • Position ladder under opener and remove support bolts using channel lock pliers and socket wrench Remove these bolts
- 11. Step 7: Remove chain • Remove chain housing • Loose chain by loosening tension screw, then remove chain from drive gear Chain housing Chain tensioner screws
- 12. Step 8: Replace Opener • Remove bolts from opener to detach opener from trolley bar • Attach new opener to trolley bar Remove these bolts
- 13. Step 9: Tighten Chain • Place chain around drive gear and tighten chain tensioner screw Chain tensioner screws
- 14. Step 10: Mount New Opener • Raise new opener and attach to support brackets with bolts. • Tighten bolts with socket wrench and channel lock pliers • Re-attach trolley attachment Tighten these bolts
- 15. Step 11: Power New Opener • Attach power wires to new opener • Plug in new opener • Test out new opener and adjust according to manufacturer directions
- 16. For More Information • For more information, see manufacture’s website • Many user manuals are available online