Oracle Sun Server X4-4 Service Manual page 170

Remove a CPU Cover Plate (FRU)
3. Rotate the levers to the fully-open position.
When the second lever is in its fully-open position, the load plate is unlocked.
4. To open the load plate, lift the unhinged end to its fully-open position.
A black plastic cover (CPU cover plate) is attached to the load plate.
5. To remove the CPU cover plate, push on the underside of the plate.
170 Sun Server X4-4 Service Manual • October 2015