Replacing The System Fan - Lenovo 10AQ Maintenance Manual

10. Secure the power supply assembly cables with the cable clips and ties in the chassis.
What to do next:
• To work with another piece of hardware, go to the appropriate section.
• To complete the installation or replacement, go to "Completing the parts replacement" on page 122.

Replacing the system fan

Attention:
Do not open your computer or attempt any repair before reading and understanding the "Important safety information"
in the Safety, Warranty, and Setup Guide that came with your computer. To obtain a copy of the Safety, Warranty, and
Setup Guide, go to:
http://www.lenovo.com/support
This section provides instructions on how to replace the system fan.
To replace the system fan, do the following:
1. Remove all media from the drives and turn off all attached devices and the computer. Then, disconnect
all power cords from electrical outlets and disconnect all cables that are connected to the computer.
2. Remove the computer cover. See "Removing the computer cover" on page 85.
3. Locate the system fan. See "Locating major FRUs and CRUs" on page 70.
4. Note the cable routing and disconnect the system fan cable from the system fan connector on the
system board. See "Locating parts on the system board" on page 73.
5. The system fan is attached to the chassis by four rubber mounts. Remove the system fan by breaking or
cutting the rubber mounts and gently pulling the system fan out of the chassis.
Note: The new system fan will have four new rubber mounts attached.
Figure 27. Removing the system fan
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ThinkCentre E93 Hardware Maintenance Manual