IBM Power System 8247-42L Manual page 104

A
Figure 87. Removing the heat sink
9. Remove dust and debris from the system processor module area in the original system backplane.
a. If dust or debris is present, use the supplied air pump (part number 45D2645) to clean the
system processor module area. Blow small bursts of air from the center toward the sides of the
system processor module as shown in Figure 88 on page 87.
b. Repeat step 9 for the remaining system processor module.
86
System backplane
B