Size X100 – 250

  1. Loosen the screws [1] and remove the fan guard [2].
  2. Loosen the screws [3] and remove the fan guards [4].
  3. Remove any dirt from the fan wheel, fan guard, and protective grid using a hard brush, for example.
  4. Before restarting the fan, make sure the fan guard is mounted properly. Mount the wheel in the reverse order.