Sun Oracle Fire X4470 M2, Service Manual

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5-4 Sun Server X2-4 Service Manual • April 2013
FIGURE 5-1
Fault Remind Button on Air Divider
3. Remove the heatsink:
a. Unscrew the two Phillips screws from the heatsink.
Turn the screws alternately one and one half turns until they are fully removed.
b. Twist the heatsink slightly to break the grease seal, lift off the heatsink and
place it upside down on a flat surface to prevent the thermal grease from
contaminating other components.
c. Use an alcohol pad to clean the thermal grease from both the bottom of the
heatsink and the top of the CPU.
Caution – Whenever you remove a heatsink, you should replace it with another
heatsink or a filler panel; otherwise, the server might overheat due to improper
airflow.
Caution – Failure to clean the heatsink and the CPU prior to removing the CPU
could result in accidental contamination of the CPU socket or other components.
Also, be careful not to get the grease on your fingers as this could result in
contamination of components.
4. If you are replacing the CPU as well as the heatsink, remove the CPU: