TX300 S7 / RX350 S7 Upgrade and Maintenance Manual 561
Expansion cards and backup units
Ê Remove the air duct as described in section "Removing the system air duct"
on page 100.
Ê Remove the system fan holder as described in section "Removing the
system fan holder" on page 389.
9.7.4.3 Removing the BBU holder from the chassis
Figure 387: Removing the BBU holder from the chassis
Ê Carefully disconnect the BBU cable from the RAID controller.
Ê Remove the BBU cable from the cable guide.
Ê Lift up the green locking handle on the BBU holder (1, see close-up) while
sliding the BBU holder towards the server front as far as it will go (2).
I After that, the fixation bolts on the chassis floor will rest in the wide
ends of the keyhole slots on the holder.
Ê Lift the BBU holder out of the chassis.