Lenovo ThinkCentre Edge 71 - Replacing the System Fan Assembly

Replacingthesystemfanassembly
Attention:
Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingthe“Importantsafetyinformation”
intheThinkCentreUserGuide.ToobtainacopyoftheThinkCentreUserGuide,goto:
http://www.lenovo.com/ThinkCentreUserGuides
Thissectionprovidesinstructionsonhowtoreplacethesystemfanassembly.
Toreplacethesystemfanassembly,dothefollowing:
1.Turnoffthecomputeranddisconnectallpowercordsfromelectricaloutlets.
2.Removethecomputercover.See“Removingthecomputercover”onpage109.
3.Removethefrontbezel.See“Removingandreinstallingthefrontbezel”onpage110.
4.Pivotthedrivebayassemblyupwardtogainaccesstothesystemfanassembly.See“Accessingthe
systemboardcomponentsanddrives”onpage111.
5.Removetheharddiskdriveforeasieraccesstothesystemfanassembly.See“Replacingthehard
diskdrive”onpage117.
6.Removetheheatsinkfanduct.See“Replacingtheheatsinkandfanassembly”onpage127.
7.Notethecableroutinganddisconnectthesystemfanassemblycablefromthepowerfanconnectoron
thesystemboard.See“Locatingpartsonthesystemboard”onpage107.
8.Thesystemfanassemblyisattachedtothechassisbyfourrubbermounts.Removethesystemfan
assemblybycuttingthefourrubbermounts1andliftingthesystemfanassemblyoutofthechassis.
Note:Thenewsystemfanassemblywillhavefournewrubbermountsattached.
Figure72.Removingthesystemfanassembly
136ThinkCentreHardwareMaintenanceManual