Lenovo System x3500 M4 - Removing and Replacing Tier 2 Crus

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screw
Power cut-off switch assembly
Figure193.Alignthepowercut-offswitchassembly
Step5.Installthescrewthatsecuresthepowercut-offswitchassemblyonthechassiswall.
Step6.Connectthecablealongthechassistothesystemboard(see“Internalcableroutingand
connectors”onpage312).
Step7.Installandlocktheleft-sidecover(see“Installingtheleft-sidecover”onpage185).
Ifyouhavereplacedaservercomponentorinstalledanoptionaldeviceintheserver,youneedtoreconnect
thepowercordsandallexternalcables,andturnontheserverandperipheraldevices.
RemovingandreplacingTier2CRUs
YoumayinstallaTier2CRUyourselforrequestLenovotoinstallit,atnoadditionalcharge,underthetype
ofwarrantyservicethatisdesignatedforyourserver.
Theillustrationsinthisdocumentmightdifferslightlyfromyourhardware.
Removingthepowerpaddlecard
Usethisinformationtoremovethepowerpaddlecard.
Readthesafetyinformationin“Safety”onpagevand“Installationguidelines”onpage35.
Ifyouarereplacingaservercomponentintheserver,youneedtoturnofftheserverandperipheraldevices,
anddisconnectthepowercordsandallexternalcables.
Toremovethepowerpaddlecard,completethefollowingsteps.
Step1.Carefullyturntheserveronitssidesothatitislyingflat,withthecoverfacingup.
Attention:Donotallowtheservertofallover.
278Systemx3500M4InstallationandServiceGuide