Lenovo 70AL Maintenance Manual page 143

CAUTION:
Hazardous moving parts. Keep fingers and other body parts away.
Before you begin, print all the related instructions or ensure that you can view the PDF version on another
computer for reference.
Note: Depending on the model, your server might look slightly different from the illustrations in this topic.
To replace the front system fan 1, do the following:
1. Remove all media from the drives and turn off all attached devices and the server. Then, disconnect all
power cords from electrical outlets and disconnect all cables that are connected to the server.
2. Remove the server cover. See "Removing the server cover" on page 67.
3. Locate the front system fan 1. See "Server components" on page 22.
4. Disconnect the front system fan 1 cable from the system fan 1 connector on the system board. See
"System board components" on page 38.
5. Press the two tabs of the front system fan 1 towards each other until the two tips
corresponding holes in the chassis. Then, carefully slide the front system fan 1 out of the chassis.
Figure 84. Removing the front system fan 1
6. Touch the static-protective package that contains the new front system fan 1 to any unpainted surface
on the outside of the server. Then, remove the new front system fan 1 from the package.
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Chapter 6 Installing, removing, or replacing hardware
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are aligned with the
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