Lenovo ThinkServer TD350 Manual do Utilizador descarregar pdf (Página 169)

5.Removethefourscrewsthatsecuretheheatsinktothesystemboard.Itisrecommendedthatyou

carefullyremovethefourscrewsusingthefollowingmethodtoavoidanypossibledamagetothe

systemboard.

a.Partiallyremovescrew1,thencompletelyremovescrew3,andthenreturntoscrew1and

completelyremoveit.

b.Partiallyremovescrew2,thencompletelyremovescrew4,andthenreturntoscrew2and

completelyremoveit.

Note:Thefourscrewsareintegratedpartsoftheheatsink.Donottrytoremovethefourscrews

fromtheheatsink.

Figure120.Removingthescrewsthatsecuretheheatsink

6.Gentlytwisttheheatsinktofreeitfromthemicroprocessorandthenlifttheheatsinkoffthesystem

board.

7.Layasidetheoldheatsink.Touchthestatic-protectivepackagethatcontainsthenewheatsinktoany

unpaintedsurfaceontheoutsideoftheserver.Then,removethenewheatsinkfromthepackageand

removetheprotectivecoverfromtheheatsink.

Notes:

•Whenhandlingtheheatsink,donottouchthethermalgreaseonthebottomofit.

•Beforeinstallingthenewheatsink,usethecleaningpadthatcomeswiththenewheatsinktowipe

thethermalgreasefromthetopofthemicroprocessor.Disposeofthecleaningpadafterallofthe

thermalgreaseisremovedfromthemicroprocessor.

8.Placethenewheatsinkonthesystemboardsothatthefourscrewsonthenewheatsinkarealigned

withthecorrespondingmountingstudsonthesystemboard.Notetheorientationofthenewheatsink.

Ensurethatthearrowonthenewheatsinkpointstotherearoftheserver.See“Servercomponents”

onpage25

Chapter6.Replacinghardware155

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Lenovo ThinkServer TD350 Manual do Utilizador Página 169