IBM 8647 - Eserver xSeries 225, Maintenance And Troubleshooting Manual

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Microprocessor and heat sink
Before you begin:
v
Read “Installation guidelines” on page 37
v
Read “Safety information” on page 131
v
Review the information in “System reliability considerations” on page 37
To remove the microprocessor and heat sink, complete the following steps:
1. Turn off the server and remove external cables.
2. Remove the side cover and frame-support bracket (see “Removing the side
cover” on page 41 and “Removing the frame-support bracket” on page 43).
3. Disconnect any cables that impede access to the microprocessor.
4. Remove the heat sink from the microprocessor:
a. Loosen the two captive screws on either side (in leaf spring enclosures) of
the fansink.
b. With the two captive screws loosened, pivot the leaf spring assemblies
outward and out of the notches on the fan sink assembly.
c. Lift the heat sink up and out of the server.
Note: It might be necessary to gently twist the heat sink to loosen it from
the microprocessor.
Important: Be careful when handling the adhesive material on the
microprocessor. If the adhesive material on the microprocessor
will be reused, do not contaminate it. If replacement adhesive
material is provided with the replacement part, be sure to
remove all traces of existing adhesive material from the
microprocessor before applying the new adhesive material.
5. Rotate the microprocessor socket lever arm upward to its maximum vertical
position, and lift the microprocessor up and out of the server.
6. To install a microprocessor, see “Installing a microprocessor” on page 62
Chapter 5. Field replaceable units
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