Replacing The System Fan Assembly - Lenovo ThinkCentre 6393 Hardware Installation And Replacement Manual

7. Install the two screws to secure the modem daughter card to the system board.
8. Reconnect the RJ11 modem cable to the modem daughter card.
9. Go to Chapter 4, "Completing the parts replacement," on page 27.

Replacing the system fan assembly

This section provides instructions on how to replace the system fan assembly.
Note: When you receive the new system fan assembly, you will also receive new
rubber mounts.
Figure 21. Removing the system fan assembly
Attention
Do not open your computer or attempt any repair before reading and understanding the
"Important safety information" in the ThinkCentre Safety and Warranty Guide that came with
your computer. To obtain a copy of the ThinkCentre Safety and Warranty Guide, go to:
http://www.lenovo.com/support
1. Remove the computer cover. See "Removing the computer cover" on page 11.
2. Locate the system fan assembly connector on the system board. See "Locating
parts on the system board" on page 9.
3. Disconnect the system fan assembly cable from the system board. See
"Locating parts on the system board" on page 9.
4. You might have to remove the hard disk drive to gain access to the system fan
assembly. See "Replacing the hard disk drive" on page 16.
5. Remove the two rubber mounts that connect to the chassis from the system
fan assembly by breaking them or cutting them with a pair of scissors. Once
this has been done, remove the rubber mounts from the rear of the chassis.
6. Pull the system fan assembly outward from the chassis. Then lift the system
fan assembly out of the chassis.
Chapter 3. Installing options and replacing hardware
23