Fujitsu PRIMERGY RX2520 M5 Upgrade And Maintenance Manual page 50

Basic hardware procedures
Additionally, a lifter is required in the following cases:
– The server weighs more than 50 kg.
– The server weighs more than 21 kg and is to be removed above the height
of 25 U.
When using a lifter, this removal procedure needs to be carried out by
maintenance personnel.
Figure 4: Removing the server from the rack
▶ Release the locking bars on both rack rails (1).
▶ Lift up the front of the server as shown so that the front and middle rack
mounting bolts are disengaged from the mounting points on the rack rails
(2).
▶ Lift the server out of the rear mounting points (3) and place it on an even
surface.
50 Upgrade and Maintenance Manual RX2520 M5