Lenovo ThinkServer RD650 Manual do Utilizador Página 137

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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.
1 2
3
4
Figure97.Installingthescrewstosecuretheheatsink
10.Ifyouareinstructedtoreturntheoldheatsink,followallpackaginginstructionsanduseanypackaging
materialsthataresuppliedtoyouforshipping.
Whattodonext:
Toworkwithanotherpieceofhardware,gototheappropriatesection.
Tocompletetheinstallationorreplacement,goto“Completingthepartsreplacement”onpage183
.
Installingorreplacingthemicroprocessor
Thistopiccontainsthefollowinginformation:
“Installingthesecondmicroprocessor”onpage124
Chapter6.Replacinghardware123
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