IBM 9080-M9S

Figure 543. Installing the heat sink on the TIM
n) Tighten the center load screw clockwise by using the supplied hex key as shown by (B) in the
following gure until a rm stop is reached. If the heat sink moves noticeably, the load arms are
not engaged. Unscrew the center load screw and repeat this step again.
System backplanes
621