IBM Power Systems 7063-CR1 Service Manual page 51

Figure 34. Loosening the load arm screw of the heat sink
4. Grip the heat sink and remove it by lifting it straight up as shown in Figure 35.
Figure 35. Removing the heat sink
5. Place the heat sink upside down on a clean surface.
6. Inspect the thermal interface material (TIM) for visible signs of damage. If you see folds, tears,
bends, or if you have doubts about the TIM, replace the heat sink and the TIM.
Removing and replacing parts in the 7063-CR1
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