Lenovo ThinkStation E30 - Replacing the Heat Sink and Fan Assembly

CAUTION:
Neverremovethecoveronapowersupplyoranypartthathasthefollowinglabelattached.
Hazardousvoltage,current,andenergylevelsarepresentinsideanycomponentthathasthislabel
attached.Therearenoserviceablepartsinsidethesecomponents.Ifyoususpectaproblemwith
oneoftheseparts,contactaservicetechnician.
Toreplacethepowersupplyassembly,dothefollowing:
1.Turnoffthecomputeranddisconnectallpowercordsfromelectricaloutlets.
2.Removethecomputercover.See“Removingthecomputercover”onpage26.
3.Disconnectthepowersupplyassemblycablesfromthesystemboardandalldrives.See“Locating
partsonthesystemboard”onpage11
.
4.Releasethepowersupplyassemblycablesfromthecableclipsandtiesinthechassis.
5.Laythecomputeronitssideandremovethefourscrewsattherearofthechassisthatsecurethe
powersupplyassembly.
Figure24.Removingthescrewsforthepowersupplyassembly
6.Slidethepowersupplyassemblytothefrontofthecomputerandthenliftitoutofthechassis.
7.Ensurethatthenewpowersupplyassemblyisthecorrectreplacement.
8.Installthenewpowersupplyassemblyintothechassissothatthescrewholesinthepowersupply
assemblyalignwiththoseinthechassis.
9.Installandtightenthefourscrewstosecurethepowersupplyassembly.
Chapter4.Installingorreplacinghardware37