Duco Box Silent - Replace motor bearings

ID: 180553

Description: If the Duco box starts making more and more...

Steps:

  1. Disassemble the fan. Use the Duco instruction video:
  2. https://www.youtube.com/watch?v=p0Lwz_HI...
  3. Unscrew the four Torx T20 screws
  4. The cover contains the control electronics that are plugged into the motor.
  5. Lift the lid straight up.
  6. When closing: Position the cover so that the motor's contact pins fit into the holes in the printed circuit board. The plastic pin on the cover fits into the opening in the motor.
    7. Step image Step image Step image
  7. Using a pick or a small screwdriver, pry the cover off the motor shaft.
    8. Step image
  8. Remove the retaining clip from the motor shaft without damaging it
  9. Pull the fan including the motor shaft out of the motor housing
    10. Step image
  10. Remove the bearings by pushing them out from the inside
  11. Preferably use a blunt object, such as a large torx screwdriver.
    12. Step image
  12. Install the new bearings
  13. Push it through until it stops.
  14. Close the engine by following all steps in reverse order
    15. Step image
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