Lenovo ThinkServer TD340 - Page 190

CAUTION:
Hazardousmovingparts.Keepfingersandotherbodypartsaway.
CAUTION:
Neverremovethecoveronapowersupplyoranypartthathasthefollowinglabelattached.
Hazardousvoltage,current,andenergylevelsarepresentinsideanycomponentthathasthislabel
attached.Therearenoserviceablepartsinsidethesecomponents.Ifyoususpectaproblemwith
oneoftheseparts,contactaservicetechnician.
Beforeyoubegin,printalltherelatedinstructionsorensurethatyoucanviewthePDFversiononanother
computerforreference.
Notes:
•Dependingonthemodel,yourservermightlookslightlydifferentfromtheillustrationsinthistopic.
•Useanydocumentationthatcomeswiththenewpowerdistributionboardandcageassemblyandfollow
thoseinstructionsinadditiontotheinstructionsinthistopic.
Toreplacethepowerdistributionboardandcageassembly,dothefollowing:
1.Removeallmediafromthedrivesandturnoffallattacheddevicesandtheserver.Then,disconnectall
powercordsfromelectricaloutletsanddisconnectallcablesthatareconnectedtotheserver.
2.Removethehot-swapredundantpowersupplies.See“Installingorreplacingahot-swapredundant
powersupply”onpage165.
Note:Ifyourservercomeswithonehot-swapredundantpowersupplyinstalledintheredundantpower
supplybay1(thebaynumberismarkedontherearofthechassis),thereisashiedinstalledonbay2to
protecttheemptybay.Removetheshieldandsaveitforfutureuse.
3.Removetheservercover.See“Removingtheservercover”onpage85.
4.Laytheserveronitssideforeasieroperation.
5.Removethefrontsystemfans.See“Replacingthefrontsystemfan1”onpage183.
6.Recordthecableroutingandconnection.Then,disconnectthepowercablesofthepowerdistribution
boardandcageassemblyfromthesystemboardandalldrives.Forservermodelswithhot-swap
harddiskdrives,youalsoneedtodisconnectthepowercablesfromthehot-swaphard-disk-drive
backplanes.
7.Releasethepowercablesofthepowerdistributionboardandcageassemblyfromthecableclips
andtiesinthechassis.
178ThinkServerTD340UserGuideandHardwareMaintenanceManual