EH-TW3500/4500/5500 Disassembly and Assembly CONFIDENTIAL
SEIKO EPSON 87 Revision A
3.3.11.1 INT Fan
1. Remove the Lamp. (p.55)
2. Remove the Side Cover L/Side Cover R. (p.57)
3. Remove the Upper Case (assembly). (p.59)
4. Remove the MA Board (assembly). (p.68)
5. Remove the DR Board (EH-TW4500/5500 series only). (p.73)
6. Remove the Optical Engine (assembly). (p.75)
7. Remove the INT Fan (assembly). (p.85)
8. Remove the INT Seal B1 and INT Seal B2 from the INT Fan (assembly).
9. Remove the three screws and Upper INT Duct from INT Fan.
10. Remove the INT Fan.
Figure 3-34.
Standard Operation Time 17 Min.
INT Fan
Upper INT Duct
C.B.P-TITE SCREW,3X10,F/ZB-3C
INT Seal B2
Lower INT Duct