Fujitsu PRIMERGY RX1330 M4 Upgrade And Maintenance Manual page 248

Processor (CPU)
Figure 158: Closing the load plate (A)
▶ Lower the load plate over the CPU while leaving the socket release lever in
its open position.
Figure 159: Closing the load plate (B)
▶ Lower the socket release 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.
248 Upgrade and Maintenance Manual RX1330 M4