
b.Gentlytwisttheheatsinktofreeitfromthemicroprocessorandthenlifttheheatsinkoffthesystem
board.
c.Layasidetheoldheatsink.
Notes:
•Useacleaningpadtowipethethermalgreasefromthetopofthemicroprocessorbeforeinstalling
thenewheatsink.Disposeofthecleaningpadafterallofthethermalgreaseisremovedfrom
themicroprocessor.
•Whenhandlingtheheatsink,donottouchthethermalgreaseonthebottomofit.
7.Touchthestatic-protectivepackagethatcontainsthenewheatsinktoanyunpaintedsurfaceonthe
outsideoftheserver.Then,removethenewheatsinkfromthepackage.
8.Removeanyprotectivecoverthatprotectsthethermalgreaseonthebottomofthenewheatsink.Then,
placethenewheatsinkonthesystemboardsothatthefourscrewsonthenewheatsinkarealigned
withthecorrespondingmountingstudsonthesystemboard.
9.Installthefourscrewstosecurethenewheatsinkonthesystemboard.Itisrecommendedthatyou
carefullyinstallthefourscrewsusingthefollowingmethodtoavoidanypossibledamagetothesystem
board.
a.Partiallytightenscrew1,thenfirmlytightenscrew3,andthenreturntoscrew1andfirmlytighten
it.Donotover-tightenthescrews.
b.Partiallytightenscrew2,thenfirmlytightenscrew4,andthenreturntoscrew2andfirmlytighten
it.Donotover-tightenthescrews.
Figure97.Installingthescrewstosecuretheheatsink
10.Ifyouareinstructedtoreturntheoldheatsink,followallpackaginginstructionsanduseanypackaging
materialsthataresuppliedtoyouforshipping.
Whattodonext:
•Toworkwithanotherpieceofhardware,gototheappropriatesection.
•Tocompletetheinstallationorreplacement,goto“Completingthepartsreplacement”onpage183
.
Installingorreplacingthemicroprocessor
Thistopiccontainsthefollowinginformation:
•“Installingthesecondmicroprocessor”onpage124
Chapter6.Replacinghardware123
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