Lenovo ThinkServer TS440 - Replacing the Cover Presence Switch

9.Installthenewpowersupplyassemblyintothechassissothatthefourscrewholesinthenewpower
supplyassemblyarealignedwiththecorrespondingholesmarkedwithAintherearofthechassis.
Then,installthefourscrews1tosecurethenewpowersupplyassemblyinplace.
Note:UseonlyscrewsprovidedbyLenovo.
Figure77.Installingthenon-hot-swappowersupplyassembly
10.Refertoyournotetoconnectthenewpowersupplyassemblycablestothesystemboardandorthe
powerconversionboard,dependingonthemodel.Then,properlyroutethecablesandsecurethe
cableswiththecableclipsandtiesinthechassis.
11.Reinstallthefrontsystemfans.See“Replacingthefrontsystemfan1”onpage128.
12.Ifyouareinstructedtoreturntheoldnon-hot-swappowersupplyassembly,followallpackaging
instructionsanduseanypackagingmaterialsthataresuppliedtoyouforshipping.
Whattodonext:
•Toworkwithanotherpieceofhardware,gototheappropriatesection.
•Tocompletethereplacement,goto“Completingthepartsreplacement”onpage141
.
Replacingthecoverpresenceswitch
Attention:Donotopenyourserverorattemptanyrepairbeforereadingandunderstanding“Safetyinformation”
onpageiiiand“Guidelines”onpage63.
Chapter6.Installing,removing,orreplacinghardware123