Lenovo THINKSERVER 3821 - Manual (Page 167)

3. Press the release latch on the power supplies and filler panels and pull them
out of the power-supply cage.
1 Release latch
2 Hot-swap power supply
4. Unlock and remove the left-side cover.
5. Pull up on the power-supply cage handle to unlock the cage; then, rotate the
cage out until it stops. The tab on the rear power-supply latch bracket will click
into place when the cage is completely out of the way.
1 Power-supply cage
2 Power-supply cage handle
6. Let the power-supply cage rest on the rear power-supply latch bracket.
Chapter 7. Installing optional devices and replacing customer replaceable units 159