To remove a power supply from a disk shelf, complete the following steps.
Step
Action
1
Put on the antistatic wrist strap and grounding leash.
2
Turn off the power supply that you are replacing and disconnect the AC power cord.
3
Loosen the thumbscrew on the lower left-hand corner of the power supply that you want to remove while simultaneously pulling the power supply handle towards you.
4
After the thumbscrew is cleared of its threading, use the handle to pull the power supply out of the disk shelf.
WARNING When removing a power supply, always use two hands to support its weight.