Replacing Stanley Garage Door Opener Gear Box Case


  • Flathead screwdriver
  • 24829 Gear Case Kit
  • Phillips screwdriver
  • Precision Phillips screwdriver
  • Vice-grip


  1. Remove garage door opener cover (4 flathead screw)
  2. Use vice grip to unscrew bottom handle from gear.
  3. Remove gear assembly from chain.
  4. Remove wires threaded into old gear case kit.Stanley Garage Door Opener Gear Box Case Wires
  5. Remove switch (2 precision Phillips screws).
  6. Remove two screws from circuit board.
  7. Remove top 3 screws to remove old gear case kit.
  8. Remove gear case kit from garage door opener.
  9. Take apart gear case kit (7 Phillips screws)
  10. Clear grease off.

Repeat the steps in reverse to reassemble.