Fujitsu PRIMERGY BX620 S6 Service Supplement Manual page 29

Installing the heat sink
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CAUTION!
Before installing the heat sink, check that the thermal paste is intact. If it
is not, you must do the following before reinstalling the heat sink:
Ê Remove any remnants of the heat sink compound from the bottom of
the heat sink and clean the top of the processor. Use a lint-free
isopropyl alcohol wipe (e.g. CleanTex TexPad 801, available from
specialist dealers).
Ê Apply a new film of heat sink compound to the bottom of the heat sink
(half a pea-sized amount).
Figure 13: Fastening the processor heat sink
Ê Place the heat sink carefully on the CPU.
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CAUTION!
Make sure that the heat sink is not tilted when it is installed to ensure
a sufficient cooling of the processor.
Ê Fix the heat sink by fastening the four premounted screws in diagonally
opposite sequence.
BX620 S6
Service Supplement
Replacing processors
29