LG W09UH Manuel De L'utilisateur page 18

Hardware
Installation
Using the Reversible Inlet Grille (on some models)
Opening the front grille from the top of the unit:
1
Disassemble the inlet grille from the front grille. Separate
the hinged part by removing the screws using a flat-head
screwdriver.
2
Turn the inlet grille upside down and insert the hooks into
the lower holes of the front grille.
3
Insert the filter.
Opening the front grille from the bottom of the unit:
No change is required if you want to remove the filter from the
bottom side. (Factory configured)
Reversible Inlet Grille
18