Lenovo TS140 Dokumentacja Pobierz pdf (Strona 90)

6.Followthissequencetoremovethefourscrewsthatsecuretheheatsinkandfanassemblytothe

systemboard:

a.Partiallyremovescrew1,thenfullyremovescrew2,andthenfullyremovescrew1.

b.Partiallyremovescrew3,thenfullyremovescrew4,andthenfullyremovescrew3.

Note:Carefullyremovethefourscrewsfromthesystemboardtoavoidanypossibledamagetothe

systemboard.Thefourscrewscannotberemovedfromtheheatsinkandfanassembly.

Figure58.Removingtheheatsinkandfanassembly

7.Liftthefailingheatsinkandfanassemblyoffthesystemboard.

Notes:

a.Youmighthavetogentlytwisttheheatsinkandfanassemblytofreeitfromthemicroprocessor.

b.Whilehandlingtheheatsinkandfanassembly,donottouchthethermalgreaseonthebottomofit.

8.Placethenewheatsinkandfanassemblyonthesystemboardsothatthefourscrewsontheheatsink

andfanassemblyarealignedwiththecorrespondingholesonthesystemboard.Makesurethatyou

properlyplacetheheatsinkandfanassemblysothatyoucaneasilyconnecttheheatsinkandfan

assemblycabletothemicroprocessorfanconnectoronthesystemboard.

9.Followthissequencetoinstallthefourscrewstosecurethenewheatsinkandfanassembly.SeeFigure

58“Removingtheheatsinkandfanassembly”onpage76.

a.Partiallytightenscrew1,thenfullytightenscrew2,andthenfullytightenscrew1.

b.Partiallytightenscrew3,thenfullytightenscrew4,andthenfullytightenscrew3.

Note:Donotover-tightenthescrews.

10.Connecttheheatsinkandfanassemblycabletothemicroprocessorfanconnectoronthesystem

board.See“Locatingpartsonthesystemboard”onpage16.

Whattodonext:

•Toworkwithanotherpieceofhardware,gototheappropriatesection.

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