47
Installation and Maintenance
Service Manual
Step 
Procedure 
Points 
3. Open and shut front panel 
Support the front panel by one 
hand, while remove the rotation 
axis at the upper center by the 
other hand. 
a 
interchangeable. 
along the guide. 
projection part provided 
on the both sides of the 
units panel and open 
up the panel to the 
position higher than it 
will stop. 
b 
Remove the front panel  
from the unit. 
c 
Guide Louver 
Remove the bush. Bend
 the horizontal louver slightly
 to remove it.
Bush