Replacing The Front And Rear Fan Assemblies - Lenovo 410554U Hardware Maintenance Manual

7. Connect the signal cable and power cable to the new diskette drive. If you are installing a card reader,
connect the card reader cable to the card reader connector on the system board. See "Locating parts on
the system board " on page 79.
8. Go to "Completing the FRU replacement" on page 106.

Replacing the front and rear fan assemblies

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://www.lenovo.com/support.
This section provides instructions on how to replace the front or rear fan assembly.
To remove or replace the front or rear fan assembly, do the following:
1. Remove the computer cover. See "Removing the cover" on page 76.
2. Locate the fan assembly that you want to replace. Your computer has one front fan assembly and one
rear fan assembly. See "Locations" on page 77.
3. Remove the front bezel if you are replacing the front fan assembly. See "Removing the front bezel"
on page 80.
4. Disconnect the fan assembly cable from the system board. See "Locating parts on the system board "
on page 79.
5. The fan assembly is attached to the chassis by four rubber mounts. Carefully remove the four rubber
mounts by breaking them or cutting them with scissors and then remove the fan assembly out of the
chassis.
6. Install the new fan assembly by aligning the four rubber mounts of the fan assembly with the holes on the
chassis and push the rubber mounts through the holes.
7. Pull on the tips of the rubber mounts until the fan assembly is in place.
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ThinkStation Hardware Maintenance Manual