Lenovo 3656 Computer Hardware User Manual


 
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 information on how to remove and replace the system fan.
To remove or replace the system fan, do the following:
1. Remove the computer cover. See "Removing the cover" on page 68.
2. Locate the rear fan assembly. Disconnect the rear fan cable from the system fan connector on the system
board. See "Locating parts on the system board" on page 71
.
3. The rear fan assembly is mounted with four rubber mounts that protrude through the rear of the chassis.
Remove the fan assembly by pulling the rubber mounts back through the chassis.
4. Install the new rear fan assembly by aligning the rubber mounts of the system fan assembly with the
holes on the chassis and push the rubber mounts through the holes.
5. Pull on the tips of the rubber mounts until the fan assembly is in place.
86 ThinkCentre Hardware Maintenance Manual