Fujitsu PRIMERGY RX2540 M7 Upgrade And Maintenance Manual page 360

Processor (CPU)
Note when tightening the screws of the CPU heat sink:
▶ As shown in the figure below, tighten the screws while checking the screw
tip until it is visible through the screw hole.
▶ When you reach the above position, hold the screw driver with two fingers
and tighten the screw firmly.
360 Upgrade and Maintenance Manual RX2540 M7