IBM Type 7977 manual Power supply Release latch

Power supply

Release latch

6.Remove the power supply and power supply filler from the server by pressing down on the release latch while you pull out.

Power-supply

cage handle

Power-supply cage assembly

7.Lift the power-supply cage handle on the rear of the power-supply cage, and rotate the power-supply cage out of the way until it latches in place. Let the power-supply cage rest on the rear power-supply structure support bracket.

8.Install the transition duct on the edge of the DIMM air baffle.

20IBM System x3500 Type 7977: Installation Guide