Fujitsu PRIMERGY RX4770 M6 Upgrade And Maintenance Manual page 232

Expansion cards and backup units
Removing the FBU holder
Figure 135: Removing the FBU holder
▶ Lift up the green locking handle on the holder (see circle) while sliding the
holder in direction of the arrow as far as it will go.
▶ Remove the FBU holder from the system air duct 1.
Removing the FBU
Figure 136: Removing the FBU from the holder
▶ Disconnect the FBU adapter cable (1).
▶ Remove the FBU from the holder (2).
232 Upgrade and Maintenance Manual RX4770 M6