Lenovo ThinkCentre A70 7099 Hardware Maintenance Manual page 162

Figure 75. Installing the front fan assembly
10. Connect the new front fan assembly cable to the system fan connector on the
11. Reinstall the hard disk drive. See "Replacing the hard disk drive" on page 107.
12. Reinstall the heat sink fan duct. See "Replacing the heat sink and fan
13. To complete the replacement, go to "Completing the parts replacement" on
156
Hardware Maintenance Manual
9. Install the new front fan assembly by aligning the new rubber mounts that
came with the new front fan assembly with the corresponding holes in the
chassis, and then push the rubber mounts through the holes. Then, carefully
pull on the tips of the rubber mounts from the bottom side until the new front
fan assembly is secured in place.
Note: The new front fan assembly will have four new rubber mounts
attached.
system board. See "Locating parts on the system board" on page 120.
assembly" on page 131.
page 157.