Lenovo System x3250 M4 - Removing the Air Baffle

Note:Beforeyouinstalloptionalhardware,makesurethattheserverisworkingcorrectly.Starttheserver,
andmakesurethattheoperatingsystemstarts,ifanoperatingsystemisinstalled,orthata19990305
errorcodeisdisplayed,indicatingthatanoperatingsystemwasnotfoundbuttheserverisotherwise
workingcorrectly.
Toremovetheservercover,completethefollowingsteps.
Step1.Readthesafetyinformationthatbeginsinthebeginofthisdocumentation.
Step2.Turnofftheserverandperipheraldevicesanddisconnectthepowercordsandallexternalcables,
ifnecessary.
Step3.Iftheserverhasbeeninstalledinarack,loosenthetwothumbscrewsonthefrontoftheserverand
removetheserveroutoftherackenclosure;then,placeitonaflat,static-protectivesurface.
Note:Whenyoudisconnectthepowersourcefromtheserver,youlosetheabilitytoviewtheLEDs
becausetheLEDsarenotlitwhenthepowersourceisremoved.Beforeyoudisconnectthepower
source,makeanoteofwhichLEDsarelit,includingtheLEDsthatarelitonthefrontpanel,on
therearpanel,andLEDsinsidetheserveronthesystemboard,then,seethisdocumentationfor
informationabouthowtosolvetheproblem.
Step4.Pressdownfirmlyonthebluetabonthetopofthecover(ontherightsidenearthefrontofthe
server)andslidethecovertowardtherearoftheserveruntilthecoverhasdisengagedfrom
thechassis.
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Cover-release
button
Figure8.Coverremoval
Step5.Liftthecoverofftheserverandsetitaside.
Attention:Forpropercoolingandairflow,replacetheservercoverbeforeyouturnontheserver.
Removingtheairbaffle
Usethisinformationtoremovetheairbafflefromtheserver.
Readthesafetyinformationin“Safety”onpagevand“Installationguidelines”onpage33.
Ifyouarereplacingaservercomponentoranoptionaldeviceintheserver,youneedtoturnofftheserver
andperipheraldevices,anddisconnectthepowercordsandallexternalcables.
36LenovoSystemx3250M4InstallationandServiceGuide