NEC Express5800 320La User Manual page 139

7. Remove and save the screws that attach the top cover to the front of the
chassis. See Figure 4-64.
8. While facing the front of the server, push the top cover towards the back of
the chassis to disengage the row of tabs attaching the cover to the chassis.
Then lift it straight up and set the cover aside. See Figure 4-64.
Figure 4-64. Removing the Top Cover
CRU Replacement and Server Upgrades 4-53