Dell PowerEdge C8000 - Manual (Page 236)

236 Rack Mount Configuration
5 With assistance, slide the air duct into the bay and secure the back of the
PDU to the rack posts with four screws. See Figure 4-12.
Figure 4-12. Installing the PDU
1 snorkel 2 air duct
3 PDU device 4 screws (4)
FRONT
4
2
1
3