Align the microprocessor 2 air baffle tab with the hole
on the side of the power-supply cage; then insert the tab into the
hole on the cage (make sure that the front end of the air baffle is
lined up with the blue touch point tab on the left side of fan 6).
Press the air baffle down until it is securely seated.
Figure 1. Microprocessor 2 air baffle installation