Lenovo ThinkServer TD350 70DG - Page 181

7.Layasidetheoldheatsink.Touchthestatic-protectivepackagethatcontainsthenewheatsinktoany
unpaintedsurfaceontheoutsideoftheserver.Then,removethenewheatsinkfromthepackageand
removetheprotectivecoverfromtheheatsink.
Notes:
•Whenhandlingtheheatsink,donottouchthethermalgreaseonthebottomofit.
•Beforeinstallingthenewheatsink,usethecleaningpadthatcomeswiththenewheatsinktowipe
thethermalgreasefromthetopofthemicroprocessor.Disposeofthecleaningpadafterallofthe
thermalgreaseisremovedfromthemicroprocessor.
8.Placethenewheatsinkonthesystemboardsothatthefourscrewsonthenewheatsinkarealigned
withthecorrespondingmountingstudsonthesystemboard.Notetheorientationofthenewheatsink.
Ensurethatthearrowonthenewheatsinkpointstotherearoftheserver.See“Servercomponents”
onpage26
.
9.Installthefourscrewstosecurethenewheatsinkonthesystemboard.Itisrecommendedthatyou
carefullyinstallthefourscrewsusingthefollowingmethodtoavoidanypossibledamagetothesystem
board.
a.Partiallytightenscrew1,thenfirmlytightenscrew3,andthenreturntoscrew1andfirmlytighten
it.Donotover-tightenthescrews.
b.Partiallytightenscrew2,thenfirmlytightenscrew4,andthenreturntoscrew2andfirmlytighten
it.Donotover-tightenthescrews.
Figure134.Installingthescrewstosecuretheheatsink
10.Ifyouareinstructedtoreturntheoldheatsink,followallpackaginginstructionsanduseanypackaging
materialsthataresuppliedtoyouforshipping.
Whattodonext:
•Toworkwithanotherpieceofhardware,gototheappropriatesection.
Chapter6.Replacinghardware167