Fujitsu PRIMERGY RX4770 M6 Upgrade And Maintenance Manual page 291

Figure 178: Installing the LC kit - example: bottom system board
▶ Push the four latches inward.
▶ Carefully place the LC heat sink onto the CPU socket.
▶ Push the four latches outward.
▶ Fasten the four captive screws in the sequence printed on the heat sink (1 to
4).
Tool: Torx 30 screw driver
Torque: 0.9 - 1.0 Nm
▶ Proceed for the second LC heat sink in the same way.
▶ Remove the orange protective caps from the tube connectors.
RX4770 M6 Upgrade and Maintenance Manual
Liquid cooling (LC)
291