Lenovo System x3550 M5 - Thermal Grease

screwsononesidefirst,ratherthanrotating.Rotateeachscrewonefullrotationatatime.
Repeatthisprocessuntilthescrewsaretightened.
Step10.Reinstalltheairbaffle(see“Replacingtheairbaffle”onpage122).
Step11.Reinstallthecover(see“Replacingthecover”onpage120).
Step12.Slidetheserverintotherack.
Step13.Reconnectthepowercordsandanycablesthatyouremoved.
Step14.Turnontheperipheraldevicesandtheserver.
Thermalgrease
Thethermalgreasemustbereplacedwhenevertheheatsinkhasbeenremovedfromthetopofthe
microprocessorandisgoingtobereusedorwhendebrisisfoundinthegrease.
Whenyouareinstallingtheheatsinkonthesamemicroprocessorthatitwasremovedfrom,makesure
thatthefollowingrequirementsaremet:
•Thethermalgreaseontheheatsinkandmicroprocessorisnotcontaminated.
•Additionalthermalgreaseisnotaddedtotheexistingthermalgreaseontheheatsinkandmicroprocessor.
Notes:
•Readthesafetyinformationthatbeginson“Safety”onpagev
.
•Readthe“Installationguidelines”onpage116
.
•Read“Handlingstatic-sensitivedevices”onpage118.
Toreplacedamagedorcontaminatedthermalgreaseonthemicroprocessorandheatsink,completethe
followingsteps:
Step1.Placetheheatsinkonacleanworksurface.
Step2.Removethecleaningpadfromitspackageandunfolditcompletely.
Step3.Usethecleaningpadtowipethethermalgreasefromthebottomoftheheatsink.
Note:Makesurethatallofthethermalgreaseisremoved.
Step4.Useacleanareaofthecleaningpadtowipethethermalgreasefromthemicroprocessor;then,
disposeofthecleaningpadafterallofthethermalgreaseisremoved.
Chapter5.Removingandreplacingcomponents275