NOTE: You may have to unlatch and lift the optional cable management arm if it interferes with
power supply removal. For information about the cable management arm, see the system’s rack
documentation.
1. Disconnect the power cable from the power source and from the power supply unit you intend to
remove and remove the cables from the strap.
2. Press the release latch and slide the power supply unit out of the chassis.
Figure 40. Removing and installing an AC power supply unit
1. release latch 2. power supply unit cable connector
3. power supply unit 4. connector
5. power supply unit handle
Related video
http://www.Dell.com/QRL/Server/PER730/PSU
To see a video on how to remove & install the power supplies, scan this QR code, or click here: http://
www.Dell.com/QRL/Workstation/R7910/PSU
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