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Front (microprocessor) fan
Before you begin:
v Read Appendix B, “Safety information,” on page 127.
v Review the information in “System reliability considerations” on page 23.
To remove a front fan, 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 cover (see “Removing the side cover” on page 25).
4. Remove the front bezel (see “Removing the bezel” on page 26).
5. Pivot the drive cage out until it locks in position.
Fan baffle
Fan baffle
release tabs
Processor fans
6. Squeeze the fan baffle release tabs so that they release from the notches in
the chassis.
Note: It might be easier to perform this procedure if you remove adapters and
remove the front I/O card retainer.
7. From inside the computer, grasp the fan baffle, slide it out, and remove it from
the computer.
8. Note where the fan cable connects to the system board, and disconnect the
cable from the system board.
Note: See the system service label or “System board internal connectors” on
page 72 for system board connector locations.
9. Use side cutters to cut the four rubber extensions that secure the fan to the
chassis.
10. Remove the fan from the computer, making sure that no rubber extensions are
left loose in the computer.
Chapter 5. Field replaceable units 65