6.Pull on the tips of the rubber mounts until the front fan assembly is in place.

Figure 31. Installing the front fan assembly

7.Connect the front fan assembly cable to the power fan connector on the system board.

8.Go to “Completing the FRU replacement” on page 120.

Replacing the rear 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

This section provides instructions on how to replace the rear fan assembly.

To replace the rear fan assembly:

1.Remove the computer cover. See “Removing the computer cover” on page 86.

2.Locate the rear fan assembly. See “Locating components” on page 88.

3.Disconnect the rear fan assembly cable from the system fan connector on the system board. See “Locating parts on the system board” on page 89.

Chapter 8. Replacing FRUs - Tamdhu computers 115

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Lenovo 7569, 7721, 7715, 7774, 7706, 7719, 7749, 7799, 7773 Replacing the rear fan assembly, Installing the front fan assembly