Lenovo System x3550 M4 - Page 311

•Donottouchthethermalgreaseonthebottomoftheheatsinkafteryouremovetheplastic
cover.Touchingthethermalgreasewillcontaminateit.See“Thermalgrease”onpage86
formoreinformation.
Figure230.Thermalgrease
a.Removetheplasticprotectivecoverfromthebottomoftheheatsink.
b.Positiontheheatsinkoverthemicroprocessor.Theheatsinkiskeyedtoassistwithproper
alignment.
Figure231.Heatsinkinstallation
c.Alignandplacetheheatsinkontopofthemicroprocessorintheretentionbracket,thermal
materialsidedown.
d.Pressfirmlyontheheatsink.
e.Rotatetheheatsinkretentionmodulereleaselevertotheclosedpositionandhookit
underneaththelocktab.
Step11.Reinstalltheairbaffle(see“Replacingtheairbaffle”onpage192).
Step12.Installthecover(see“Replacingthecover”onpage190).
Step13.Slidetheserverintotherack.
Step14.Reconnectthepowercordsandanycablesthatyouremoved.
Step15.Turnontheperipheraldevicesandtheserver.
Chapter6.Removingandreplacingcomponents297