Dell PowerEdge C6320p Owner's Manual page 148

2. Follow the procedure listed in the Before working inside your system section.
3. Remove the power supply units (PSUs).
4. Keep the Philips #2 and the Torx T20 screwdrivers ready.
Steps
1. Disconnect all the cables from the power distribution board 1 (PDB 1).
Observe the routing of the cable on the chassis as you remove them from the system. Route these cables properly when you
replace them to prevent the cables from being pinched or crimped.
2. Remove the screw that secures the power cable cover to PDB 1.
3. Lift the power cable cover up straight from the locking hole on PDB 1. Then, lift it out of PDB 1.
Figure 90. Removing the power cable cover and the power cables screws for PDB 1
4. Remove the screws that secure the power cables to PDB 1.
5. Remove the screws that secure PDB 1 to the system.
6. Lift PDB 1 away from the system.
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