Dell PowerEdge C6220 Hardware Owner's Manual page 230

1 Recommend to turn off the system, including any attached peripherals,
and disconnect the system from the electrical outlet.
2 Remove all the hard drives. See "Removing a Hard-Drive Carrier" on
page 116.
3
Open the system. See "Opening the System" on page 190.
4 Disconnect all the cables from the backplane. See Figure 5-3 for 3.5-
inch hard drives.
Note the routing of the cable on the chassis as you remove them from
the system. You must route these cables properly when you replace
them to prevent the cables from being pinched or crimped.
5 Disconnect front panel cables from the power distribution board. See
Figure 3-80 or Figure 3-83.
Note the routing of the cable on the chassis as you remove them from
the system. You must route these cables properly when you replace
them to prevent the cables from being pinched or crimped.
6
Remove the hard drive cage from the chassis. See Figure 3-75.
7 Disconnect the cable from the sensor board. See Figure 3-80.
8
Remove the screw that secure the sensor board to the hard drive cage.
See Figure 3-79.
9 Remove the sensor board from the hard drive cage. See Figure 3-76.
230 | Installing System Components