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v Additional thermal grease is not added to the existing thermal grease on the fan
sink and microprocessor.
Note:
v Read the Safety information on page vii.
v Read the “Installation guidelines” on page 57.
v Read “Handling static-sensitive devices” on page 60.
To replace damaged or contaminated thermal grease on the microprocessor and
fan sink, complete the following steps:
1. Place the fan sink on a clean work surface.
2. Remove the cleaning pad from its package and unfold it completely.
3. Use the cleaning pad to wipe the thermal grease from the bottom of the fan
sink.
Note: Make sure that all of the thermal grease is removed.
4. Use a clean area of the cleaning pad to wipe the thermal grease 1 from the
microprocessor2; then, dispose of the cleaning pad after all of the thermal
grease is removed.
5. Use the thermal-grease syringe to place 9 uniformly spaced dots of 0.02 mL
each on the top of the microprocessor. The outermost dots must be within
approximately 5 mm of the edge of the microprocessor, this is to ensure uniform
distribution of the grease.
Note: If the grease is properly applied, approximately half of the grease will
remain in the syringe.
6. Install the fan sink onto the microprocessor as described in “Installing a
microprocessor and fan sink” on page 120.
122 ThinkServer TS100 Types 6431, 6432, 6433, and 6434: Hardware Maintenance Manual