Lenovo ThinkServer RD650 - Page 156

CAUTION:
Theheatsinkmightbeveryhot.Turnofftheserverandwaitseveralminutestolettheservercool
beforeremovingtheservercover.
Beforeyoubegin,printalltherelatedinstructionsorensurethatyoucanviewthePDFversiononanother
computerforreference.
Note:Dependingonthemodel,theheatsinkmightlookdifferentfromtheillustrationsinthistopic.
Toinstallorreplaceaheatsink,dothefollowing:
1.Removeallexternalmediafromthedrivesandturnoffallattacheddevicesandtheserver.Then,
disconnectallpowercordsfromelectricaloutletsanddisconnectallcablesthatareconnectedto
theserver.
2.Prepareyourserver.See“Removingorextendingtheserverfromtherackcabinet”onpage75.
3.Removetheservercover.See“Removingtheservercover”onpage75.
4.Removethecoolingshroud.See“Removingandreinstallingthecoolingshroud”onpage78.
5.Locatetheheatsinkortheplaceforinstallingthesecondheatsink.See“Servercomponents”on
page29.
6.Ifyouarereplacingaheatsink,dothefollowing:
a.Removethefourscrewsthatsecuretheheatsinktothesystemboard.Itisrecommendedthatyou
carefullyremovethefourscrewsfromthesystemboardusingthefollowingmethodtoavoidany
possibledamagetothesystemboard.
1)Partiallyremovescrew1,thencompletelyremovescrew3,andthenreturntoscrew1and
completelyremoveit.
2)Partiallyremovescrew2,thencompletelyremovescrew4,andthenreturntoscrew2and
completelyremoveit.
Note:Thefourscrewsareintegratedpartsoftheheatsink.Donottrytoremovethefourscrews
fromtheheatsink.
1 2
3
4
Figure114.Removingthescrewsthatsecuretheheatsink
140ThinkServerRD650UserGuideandHardwareMaintenanceManual