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Figure 31. Installing the front fan assembly
7. Connect the front fan assembly cable to the power fan connector on the system board.
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, do the following:
1. Remove the computer cover. See “Removing the computer cover” on page 68.
2. Locate the rear fan assembly. See “Locating components” on page 69.
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 70
.
4. The rear fan assembly is attached to the chassis by four rubber mounts. Remove the rear fan assembly
by breaking or cutting the rubber mounts and gently pulling the rear fan assembly out of the chassis.
92 ThinkCentre Hardware Maintenance Manual