Lenovo ThinkStation C30 Hardware Maintenance Manual page 102

3. Remove the PCI card holder for easier access to the rear fan assembly. See "Removing and reinstalling
the PCI card holder" on page 81.
4. Disconnect the rear fan assembly cable from the rear fan connector on the system board. See "Locating
parts on the system board" on page 76.
5. The rear fan assembly consists of two fans and is attached to the chassis by eight 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.
Note: The new rear fan assembly will have eight new rubber mounts attached.
Figure 24. Removing the rear fan assembly
6. Install the new rear fan assembly by aligning the new rubber mounts with the corresponding holes in the
chassis and push the rubber mounts through the holes.
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ThinkStation Hardware Maintenance Manual