1. Remove the ITB cleaning unit (ITB Unit Removal)
  2. Remove the snap rings [A] and the timing belt [B] (x2,x1).
  3. Remove the gears [A] (x2,x2).

    • When the black gear is re-attached to the end of the coil shaft [A], work carefully. When re-installing the coil shaft in the unit, apply very light pressure on the gear as shown above to avoid scratching the mylar with the projections on the coil.

  4. Remove the front bushing [A] while holding the collection coil and cleaning roller steady.

    • When you re-attach the front bushing, try to avoid the projection of the lower timing belt that you removed in Step 2.

  5. At the rear, remove the coupling [A] and the washer (x1,x1).
  6. While holding the cleaning roller steady, disconnect the bushing [A] (x1).
  7. Remove the bushing [A] and the holder [B].
  8. Lift the cleaning roller [A] and remove it.

    • Work carefully to avoid damaging the fragile seal [B] near the roller.