Lenovo 70A0, Maintenance Manual

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7. Carefully pull on the tips of the rubber mounts until the front fan assembly is secured in place.
Figure 56. Installing the front fan assembly
8. Connect the new front fan assembly cable to the power fan connector on the system board. See
“Locating parts on the system board” on page 15.
What to do next:
• To work with another piece of hardware, go to the appropriate section.
• To complete the replacement, go to “Completing the parts replacement” on page 82.
Replacing the rear fan assembly
Attention: Do not open your server or attempt any repair before reading and understanding “Safety information”
on page iii and “Guidelines” on page 35.
This topic provides instructions on how to replace the rear fan assembly.
To replace the rear fan assembly, 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 37.
3. Locate the rear fan assembly. See “Internal components” on page 16.
4. Disconnect the rear fan assembly cable from the system fan connector on the system board. See
“Locating parts on the system board” on page 15.
Chapter 6
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Installing, removing, or replacing hardware
73