Fujitsu PRIMERGY RX2540 M7 Upgrade And Maintenance Manual page 62

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 installed above the height of
25 U.
When using a lifter, this installation procedure needs to be carried out by
maintenance personnel.
62
For configurations below 32 kg:
At least two people are needed to lift the server into the
rack cabinet.
For configurations below 55 kg:
At least three people are needed to lift the server into
the rack cabinet.
For configurations above 55 kg:
At least four people are needed to lift the server into the
rack cabinet.
Upgrade and Maintenance Manual RX2540 M7