Fujitsu PRIMERGY 400 Operating Manual page 27

Installing the rack server
1
Ê
Screw the two inner rails onto the server at the left and right with four countersunk screws (1).
Ê
Insert the server with the mounted inner rails into the extending rails of the extending unit (1)
until the locking spring (a) of both inner rails engages.
A26361-K632-Z100-1-7619
1
a
Installation
19