Lenovo System x3500 M5 Type 5464 - Page 300

Heat sink
Heat sink
release lever
Figure211.Rotatetheheatsinkreleaselevertotheclosedposition
Step10.Ifyouinstalledthesecondmicroprocessor,installtheairbaffle(see“Replacingtheairbaffle”on
page99
).
Step11.Installandlocktheleft-sidecover(“Installingtheleft-sidecover”onpage183).
Ifyouhavereplacedaservercomponentorinstalledanoptionaldeviceintheserver,youneedtoreconnect
thepowercordsandallexternalcables,andturnontheserverandperipheraldevices.
Thermalgrease
Thethermalgreasemustbereplacedwhenevertheheatsinkhasbeenremovedfromthetopofthe
microprocessorandisgoingtobereusedorwhendebrisisfoundinthegrease.Usethisinformationto
replacedamagedorcontaminatedthermalgreaseonthemicroprocessorandheatsink.
Whenyouareinstallingtheheatsinkonthesamemicroprocessorthatitwasremovedfrom,makesure
thatthefollowingrequirementsaremet:
•Thethermalgreaseontheheatsinkandmicroprocessorisnotcontaminated.
•Additionalthermalgreaseisnotaddedtotheexistingthermalgreaseontheheatsinkandmicroprocessor.
Notes:
•Readthesafetyinformationin“Safety”onpagev
.
•Readthe“Installationguidelines”onpage29.
•Read“Handlingstatic-sensitivedevices”onpage31
.
Toreplacedamagedorcontaminatedthermalgreaseonthemicroprocessorandheatsink,completethe
followingsteps.
Step1.Placetheheatsinkonacleanworksurface.
Step2.Removethecleaningpadfromitspackageandunfolditcompletely.
Step3.Usethecleaningpadtowipethethermalgreasefromthebottomoftheheatsink.
Note:Makesurethatallofthethermalgreaseisremoved.
284Systemx3500M5InstallationandServiceGuide