- 33 -FN904FN905Fan (R) UnitFN916AA ADDDDFN903Duct-AB BCCFans (B,G) UnitRGB IN Fan net BoardSensor BoardDuct-CDuct-DFFF F FFGHHIIJJLLDuct-B7-2 Fan Units removal and disassemblies.Fan(R) Unit removal and Disassemblies.1. Remove 3 screws-A and remove the Fan(R) Unit.2. Remove 2 screws-B and remove the Duct-A.3. Remove 2 screws-C and remove the Fan(FN903).(See Fig. 7-2, 7-2a)Fans(G,B) UNIT removal and Disassemblies.4. Remove 4 screws-D and remove the Fan (G,B) Unit.5. Remove 6 screws-F and remove the Duct-C.6. Remove screw-G and remove the Sensor Board.7. Remove 2 screws-H and remove the Fan (FN905).8. Remove 2 screws-I and remove the Fan (FN916).9. Remove 2 screws-J and remove the Fan (FN904).10. Remove 2 screws-L and remove the NET-1 Board.(See Fig. 7-2, 7-2b)Note :Mark the Fans as they are removed from the duct sothat they may be reassembled in the same locationfrom which they were removed.Fig 7-2Fig.7-2bFig.7-2aMechanical disassembliesNET-1 Board