X.K.. with universal fan guard
- Loosen the screws [1].
- Remove the 2 protective grids [2].

- Loosen the 4 nuts [3] and remove the 2 fan guards [4].

- Remove any dirt from the fan wheel, fan guard and protective grid using a hard brush, for example.
- Assemble the fan guard in reverse order.
- Before restarting the fan again, make sure the fan guard is mounted properly. The fan must not touch the fan guard.
