Mechanical Disassemblies
-12-
7. LAMP BALLAST UNIT REMOVAL
1. Remove 4 screws
A
to take the Filter Holder off.
2. Remove 3 screws
B
to take the Filter Board off.
3. Remove 3 screws
C
to take the Inlet Board off.
Filter Board
Fig. 7-1
A
A
A
A
B
B
B
C
Filter Holder
8. OPTICAL UNIT AND FAN REMOVAL
1. Remove a screw
A
to take the Thermostat Switch
upward off.
2. Remove a screw
B
to take the Lamp Socket off.
3. Remove 3 screws
C
to take the Fan Cover off.
4. Remove 8 screws
D
to take the Optical Unit off.
5. Remove 2 screws
E
and 2 screws
F
to take the Fan
(FAN903) off.
Fig. 8-1
Thermostat
Switch
A
B
C
C
D
D
Lamp Socket
FN903
Inlet Board
Fig. 7-2
Fan
Cover
C
E
Rib
Fig. 8-2
D
D
D
D
D
D
E
F
F
Slit
Mounting
Exhaust Fan
