Lenovo ThinkServer TS130 - Page 57

6.Followthissequencetoremovethefourscrewsthatsecuretheheatsinkandfanassemblytothe
systemboard:
a.Partiallyremovescrew1,thenfullyremovescrew2,andthenfullyremovescrew1.
b.Partiallyremovescrew3,thenfullyremovescrew4,andthenfullyremovescrew3.
Note:Carefullyremovethefourscrewsfromthesystemboardtoavoidanypossibledamagetothe
systemboard.Thefourscrewscannotberemovedfromtheheatsinkandfanassembly.
Figure28.Removingtheheatsinkandfanassembly
7.Liftthefailingheatsinkandfanassemblyoffthesystemboard.
Notes:
a.Youmighthavetogentlytwisttheheatsinkandfanassemblytofreeitfromthemicroprocessor.
b.Whilehandlingtheheatsinkandfanassembly,donottouchthethermalgreaseonthebottomofit.
8.Placethenewheatsinkandfanassemblyonthesystemboardsothatthefourscrewsontheheatsink
andfanassemblyarealignedwiththecorrespondingholesonthesystemboard.Makesurethatyou
properlyplacetheheatsinkandfanassemblysothatyoucaneasilyconnecttheheatsinkandfan
assemblycabletothemicroprocessorfanconnectoronthesystemboard.
9.Followthissequencetoinstallthefourscrewstosecurethenewheatsinkandfanassembly.SeeFigure
28“Removingtheheatsinkandfanassembly”onpage53
.
a.Partiallytightenscrew1,thenfullytightenscrew2,andthenfullytightenscrew1.
b.Partiallytightenscrew3,thenfullytightenscrew4,andthenfullytightenscrew3.
Note:Donotover-tightenthescrews.
10.Connecttheheatsinkandfanassemblycabletothemicroprocessorfanconnectoronthesystem
board.See“Locatingpartsonthesystemboard”onpage26.
Whattodonext:
•Toworkwithanotherpieceofhardware,gototheappropriatesection.
Chapter5.ReplacingFRUs53