Fujitsu PRIMERGY CX2550 M6 Upgrade And Maintenance Manual page 204

Liquid cooling (LC)
Figure 139: Fasten the liquid pipe bracket
▶ Fasten the liquid pipe bracket with one screw (see circle).
CPU 2 CPU 1
Figure 140: Installing the LC kit (C)
▶ Push the four latches inward.
▶ Carefully place the LC heat sink onto the CPU socket.
▶ Push the four latches outward.
204 Upgrade and Maintenance Manual