Lenovo ThinkStation D20 - Manual (Page 46)

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 ThinkStation Safety and Warranty Guide that came with your computer. To obtain a copy of the
ThinkStation Safety and Warranty Guide, go to:
http://support.lenovo.com
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 11.
2. Locate the rear fan assembly. See “Locating components” on page 7.
3. Disconnect the rear fan assembly cable from the system board. See “Identifying parts on the system
board” on page 8.
4. The rear fan assembly is attached to the chassis by four rubber mounts. Remove the rear fan assembly
by gently pulling it out of the chassis.
Figure 43. Removing the rear fan assembly
5. Install the new rear fan assembly by aligning the rubber mounts of the rear fan assembly with the holes
on the chassis and push the rubber mounts through the holes.
6. Pull on the tips of the rubber mounts until the rear fan assembly is in place.
7. Connect the rear fan assembly cable to the rear fan connector on the system board.
8. Go to Chapter 4 “Completing the parts replacement” on page 45.
40 ThinkStation Hardware Installation and Replacement Guide