10  Servicing
304
SMGB0077 rev.0 - 01/2013
10.1  RCI - 4-way cassette (1.0-6.0)FSN3
10.1.1  Removing Air Filter and Air Inlet Grille
1  The air lter is attached inside the air inlet grille.  While pushing 
both  ends  of  knobs  at  the  air  inlet  grille  toward  the  arrow 
direction, open the air inlet grille.
2  Hold  the  lower  side  of  the  air  inlet  grille  keeping  it  inclined. 
Remove  the  hooks  of  air  lter  from  the  air  inlet  grille  and 
remove the air lter.
3  Remove  the  supporting  string  from  the  air  panel. 
After lifting  the  air inlet grille  keeping  it inclined, draw the  air 
inlet grille forward to remove.
4  When attaching the air inlet grille, the supporting string shall be 
attached to the air panel.
C A U T I O N
TURN OFF all power source switches. 
Knob
Air Inlet Grille
Upper Part of Filter
Hook
Hook
Lower Part of Filter
Air Filter
Air Inlet Grille
Supporting String