Lenovo System x3500 M4 - Removing the Fan Cage Assembly

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Air baffle
Figure24.Airbaffleremoval
Attention:Forpropercoolingandairflow,replacetheairbafflebeforeyouturnontheserver.
Operatingtheserverwiththeairbaffleremovedmightdamageservercomponentswhentwo
microprocessorsinstalled.
Removingthefancageassembly
Usethisinformationtoremovethefancageassemblyfromtheserver.
Readthesafetyinformationin“Safety”onpagevand“Installationguidelines”onpage35.
Ifyouarereplacingaservercomponentintheserver,youneedtoturnofftheserverandperipheraldevices,
anddisconnectthepowercordsandallexternalcables.
Toremovethefancageassembly,completethefollowingsteps.
Step1.Carefullyturntheserveronitssidesothatitislyingflat,withthecoverfacingup.
Attention:Donotallowtheservertofallover.
Step2.Unlockandremovetheleft-sidecover(see“Removingtheleft-sidecover”onpage40).
Step3.Removetheairbaffle(see“Removingtheairbaffle”onpage189).
Step4.Removealllongcardsfromthesystemboard.
Step5.Disconnectthefancagepowercablefromthesystemboard(see“Internalcableroutingand
connectors”onpage312).
Step6.Loosenthethumbscrewonthefancagereleaselatch.
42Systemx3500M4InstallationandServiceGuide