63
Installation and Maintenance
Service Manual
Step Procedure
    3. Remove lter assy
Hold the two places (as shown in  the right gure) 
of lter sub-assy with two hands, pull it backwards 
and then turn it upwards to unclose the  lter sub-
assy; separate the clasp of lter sub-assy and then 
remove it. 
 
4.Remove front case assy
Remove the screws xing front case.
Note:
(1) Open the screw caps before removing the 
screws around the air outlet.
(2) The quantity of screws xing the front case 
subassy is different for different models.
Remove the screw xing the terminal sealing 
cover; remove the sealing cover; disconnect the 
left drive box terminal, display terminal and right 
drive box terminal.
Filter Assy
Left drive box terminal
Display terminal
Right drive box terminal
Screw caps
Screw
Screws
Sealing cover (terminal)