CAUTION:
Neverremovethecoveronapowersupplyoranypartthathasthefollowinglabelattached.
Hazardousvoltage,current,andenergylevelsarepresentinsideanycomponentthathasthislabel
attached.Therearenoserviceablepartsinsidethesecomponents.Ifyoususpectaproblemwith
oneoftheseparts,contactaservicetechnician.
Beforeyoubegin,printalltherelatedinstructionsorensurethatyoucanviewthePDFversiononanother
computerforreference.
Note:Dependingonthemodel,yourservermightlookslightlydifferentfromtheillustrationsinthistopic.
Toreplacethepowerdistributionboardandcageassembly,dothefollowing:
1.Removeallmediafromthedrivesandturnoffallattacheddevicesandtheserver.Then,disconnectall
powercordsfromelectricaloutletsanddisconnectallcablesthatareconnectedtotheserver.
2.Removethehot-swapredundantpowersupplies.See“Replacingahot-swapredundantpower
supply”onpage149.
Note:Ifyourservercomeswithonehot-swapredundantpowersupplyinstalledintheredundantpower
supplybay1(thebaynumberismarkedontherearofthechassis),thereisashiedinstalledonbay2to
protecttheemptybay.Removetheshieldandsaveitforfutureuse.
3.Removetheservercover.See“Removingtheservercover”onpage87.
4.Laytheserveronitssideforeasieroperation.
5.Removethefrontsystemfan(s).See“Replacingthefrontsystemfan”onpage158.
6.Recordthecableroutingandconnection.Then,disconnectthepowercablesofthepowerdistribution
boardandcageassemblyfromthesystemboardandalldrives.Forservermodelswithhot-swap
harddiskdrives,youalsoneedtodisconnectthepowercable(s)fromthehot-swaphard-disk-drive
backplanes.
7.Releasethepowercablesofthepowerdistributionboardandcageassemblyfromthecableclips
andtiesinthechassis.
Chapter6.Installing,removing,orreplacinghardware153