Microprocessor/Fan-Sink Assembly - IBM IntelliStation M Pro Hardware Maintenance Manual

Microprocessor/fan-sink assembly

Before you begin:
v Read "Safety information" on page 129.
v Read "Installation guidelines" on page 31.
v Review the information in "System reliability considerations" on page 31.
To remove the microprocessor and fan-sink assembly, complete the following steps:
1. Turn off the computer, and remove external cables. See "Turning off the
2. Remove the cover and support bracket (see "Removing the side cover" on page
3. Disconnect any cables that impede access to the microprocessor.
4. Remove the fan-sink assembly from the microprocessor:
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IBM IntelliStation M Pro Types 6220 and 6230: Hardware Maintenance Manual
computer" on page 10.
52 and "Removing and installing the support bracket" on page 53).
Note: The fan and underlying heat sink are attached and do not need to be
separated from each other. Remove the fan-sink assembly from the
microprocessor as a single unit.
a. Detach the fan sink cable.
b. Loosen the two captive screws on either side (in leaf spring enclosures) of
the fan sink.
c. With the two captive screws loosened, pivot the leaf-spring assemblies
outward and out of the notches on the fan-sink assembly.
d. Lift the fan sink up and out of the computer. It might be necessary to gently
twist the fan 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
processor before applying the new adhesive material.