Lenovo ThinkCentre M73 - Replacing the System Fan Assembly

3.Removethefrontbezel.See“Removingandreinstallingthefrontbezel”onpage36.
4.PivotthedrivebayassemblyupwardanddisconnectthefrontaudioandUSBassemblycablesfromthe
systemboardandnotethecablesrouting.See“Locatingpartsonthesystemboard”onpage13.
5.Lowerthedrivebayassembly.See“Accessingthesystemboardcomponentsanddrives”onpage38.
6.RemovethescrewthatsecuresthefrontaudioandUSBassemblybracket.Thenremovethefront
audioandUSBassemblybracketfromthechassis.
Figure48.RemovingthefrontaudioandUSBassembly
7.RemovethetwoscrewsthatsecurethefrontaudioandUSBassemblytoitsbracket.Thenremovethe
failingfrontaudioandUSBassemblyfromthebracket.
8.InstallanewfrontaudioandUSBassemblyintothebracketandinstallthetwoscrewstosecurethe
frontaudioandUSBassemblytothebracket.
9.InstallthefrontaudioandUSBassemblybrackettothechassisandalignthescrewholeinthebracket
withthecorrespondingholeinthechassis.
10.InstallthescrewtosecurethefrontaudioandUSBassemblybrackettothechassis.
11.PivotthedrivebayassemblyupwardandreconnectthefrontUSBandfrontaudiocablestothesystem
board.See“Locatingpartsonthesystemboard”onpage13.
12.Lowerthedrivebayassembly.See“Accessingthesystemboardcomponentsanddrives”onpage38.
13.Reinstallthefrontbezel.See“Removingandreinstallingthefrontbezel”onpage36.
Whattodonext:
•Toworkwithanotherpieceofhardware,gototheappropriatesection.
•Tocompletetheinstallationorreplacement,goto“Completingthepartsreplacement”onpage77.
Replacingthesystemfanassembly
Attention:
Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingthe“Importantsafetyinformation”
onpagev.
Thissectionprovidesinstructionsonhowtoreplacethesystemfanassembly.
64ThinkCentreM73UserGuide