Lenovo System x3650 M5 - Removing the Heat-Sink Retention Module

Step4.Useacleanareaofthecleaningpadtowipethethermalgreasefromthemicroprocessor;then,
disposeofthecleaningpadafterallofthethermalgreaseisremoved.
Step5.Usethethermal-greasesyringetoplace9uniformlyspaceddotsof0.02mLeachonthetopof
themicroprocessor.Theoutermostdotsmustbewithinapproximately5mmoftheedgeofthe
microprocessor;thisistoensureuniformdistributionofthegrease.
Microprocessor
0.02 mL of thermal
grease
Figure262.Thermalgreasedistribution
Note:Ifthegreaseisproperlyapplied,approximatelyhalfofthegreasewillremaininthesyringe.
Figure263.Syringe
Step6.InstalltheheatsinkontothemicroprocessorasdescribedinStep11onpage287.
Removingtheheat-sinkretentionmodule
Usethisinformationtoremovetheheat-sinkretentionmodule.
Toremoveaheat-sinkretentionmodule,completethefollowingsteps:
Step1.Readthesafetyinformationthatbeginson“Safety”onpagevand“Installationguidelines”on
page297
.
Step2.Turnofftheserverandperipheraldevicesanddisconnectthepowercordsandallexternalcables.
Step3.Removethetopcover(see“Removingthetopcover”onpage149).
Step4.Removetheairbaffle(see“Removingtheairbaffle”onpage152).
Step5.Removetheheatsink(see“Removingamicroprocessorandheatsink”onpage276).
Attention:Whenyouremoveamicroprocessorandheatsink,besuretokeepeachheatsinkwith
itsmicroprocessorforreinstallation.
Step6.Useascrewdriverandremovethefourscrewsthatsecuretheretentionmoduletothesystem
board;then,lifttheretentionmodulefromthesystemboard.
290LenovoSystemx3650M5InstallationandServiceGuide