IBM Power System 8247-42L Manual page 57

A
Figure 41. Installing the TIM onto the processor lid
18. Install the heat sink in the replacement system backplane:
a. Lower the heat sink over the system processor module, ensuring that the two guide pins (B) are
inserted into the alignment holes on each side of the tool, as shown in Figure 42 on page 40.
b. Ensure that the heat sink load arm is engaged.
Note: If the load arm is not engaged, you must manually engage the load arm onto the heat sink
while the load screw is being tightened. See Figure 43 on page 41.
39
System backplane