Fujitsu PRIMERGY TX1330 M4 Upgrade And Maintenance Manual page 335

Processor (CPU)
Figure 230: Closing the load plate (B)
Ê Lower the socket lever while making sure that the front edge of the load plate
slides under the shoulder screw cap (see close-up) as the lever is lowered.
Figure 231: Latching the socket lever
Ê Latch the socket lever under the load plate tab.
Upgrade and Maintenance Manual 335
TX1330 M4