Lenovo 4221, 4220, 4222, 4215, 4219 What to do next, Installing the front fan assembly, 36User Guide

5.Insert the two tabs 2 of the new front fan assembly into the corresponding holes in the chassis, and press the other two tabs 1 through the holes until the front fan assembly is secured in place.

Figure 29. Installing the front fan assembly

6.Connect the front fan assembly cable to the power fan connector on the system board.

7.Reinstall the secondary hard disk drive if removed. See “Replacing the secondary hard disk drive” on page 29.

What to do next:

vTo work with another piece of hardware, go to the appropriate section.

vTo complete the replacement, go to “Completing the parts replacement” on page 40.

36User Guide