IBM Power System 8247-42L Manual page 101

c. Replace the air duct by lining the slot in the bottom of the duct with the tab on the front inner
guide, then lower the duct into position, as shown in Figure 84.
Figure 84. Replacing the air duct
6. Remove the system processor socket cover from the replacement system backplane.
a. Grasp the socket cover tabs with the supplied cover removal tool (part number 00FX605).
Squeeze the removal tool handles. Then, lift the cover straight up, as shown in Figure 85 on page
84.
b. Repeat step 6 for the remaining system processor socket cover.
83
System backplane