
Figure23.Removingtheheatsinkandfanassembly
7.Liftthefailingheatsinkandfanassemblyoffthesystemboard.
Notes:
a.Youmighthavetogentlytwisttheheatsinkandfanassemblytofreeitfromthemicroprocessor.
b.Whenhandlingtheheatsinkandfanassembly,donottouchthethermalgreaseonthebottom
oftheheatsinkandfanassembly.
8.Positionthenewheatsinkandfanassemblyonthesystemboardsothatthefourscrewsarealigned
withthecorrespondingholesinthesystemboard.Makesurethattheheatsinkandfanassemblycable
canbeeasilyconnectedtothemicroprocessorfanconnectoronthesystemboard.
9.Followthissequencetoinstallthefourscrewstosecuretheheatsinkandfanassembly,asshownin
RemovingtheheatsinkandfanassemblyFigure23onpage45.
a.Partiallytightenscrew1,thenfullytightenscrew2,andthenfullytightenscrew1.
b.Partiallytightenscrew3,thenfullytightenscrew4,andthenfullytightenscrew3.
10.Connecttheheatsinkandfanassemblycabletothemicroprocessorfanconnectoronthesystem
board.See“System-boardinternalconnectors”onpage25.
11.Goto“Completingthepartsreplacement”onpage57.
Replacingthemicroprocessor
Attention
DonotopenyourserverorattemptanyrepairbeforereadingandunderstandingtheChapter1“Aboutthis
manual”onpage1andtheSafetyInformationbook.ToobtainacopyoftheSafetyInformationbook,
goto:http://www.lenovo.com/support
Thissectionprovidesinstructionsonhowtoreplacethemicroprocessor.
Chapter6.ReplacingFRUs45
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