Oracle SUN X4-8 Service Manual page 172

Install a Heatsink and Processor (FRU)
9. Close the CPU load plate.
10. Lower and lock the right side lever, ensuring that the lever is secured under its
retaining clip and that the bend in the lever locks the cover plate.
The right side lever must be closed first.
172 Sun Server X4-8 Service Manual • December 2015