1. Open the front doors.
  2. Remove the front edge cover [A] (3).
  3. Remove the ITB unit cover [B] (x4).
  4. Locate the fan behind the cover at the upper right corner of the machine [A].
  5. Disconnect the fan (x1, (x1).
  6. Remove the fan bracket with fan attached (x2).
  7. Free the fan harness, and then unfasten the cover (x2, x2).
  8. Remove the cover, and then remove the fan from the bracket.
  9. When you re-assemble the fan and cover, set the tabs at [A] and [B].
  10. Make sure the cover is perfectly flat against the fan.