IBM IntelliStation M Pro 6225, Руководство по техническому обслуживанию и ремонту

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Removing and replacing the microprocessor fan assembly
Before you begin:
v Read the “Installation guidelines” on page 29.
v
Read Appendix B, “Safety information,” on page 115.
v
Review the information in “System reliability guidelines” on page 29.
To remove the microprocessor fan assembly, complete the following steps:
1. Turn off the computer, if it is on.
2. Disconnect the power cord from the power source and from the computer; then,
disconnect all external cables.
3. Remove the side cover (see “Removing the side cover” on page 32).
4. Stand the computer upright if it is lying on its side.
5. Remove the front bezel (see “Removing and Installing the Bezel” on page 34).
6. Lay the computer on its left side.
Important: When disconnecting cables, note the cable routing and connector
labels for use during installation.
7. Disconnect the fan assembly power cable from the system board (see “System
board internal connectors” on page 78 for the location of the microprocessor fan
connector).
Chapter 4. Customer replacement units
35