Lenovo THINKSERVER 3821 - Manual (Page 190)

Removing the rear adapter retention bracket
1 Rear adapter retention bracket
2 Hinge pin
To remove the rear adapter-retention bracket, do the following:
1. Read the safety information that begins on page 5.
2. Turn off the server and all attached devices; then, disconnect all power cords
and external cables.
3. Unlock and remove the side cover (see “Removing the left-side cover” on page
157).
4. Remove all adapters and place the adapters on a static-protective surface (see
“Removing an adapter” on page 184).
Note: You might find it helpful to note where each adapter is installed before
removing the adapters.
5. Open the rear adapter retention bracket.
6. Press the rear adapter retention bracket and release the top hinge point; then,
release the other hinge point and remove the bracket from the chassis.
7. If you are instructed to return the rear adapter-retention bracket, follow all
packaging instructions, and use any packaging materials for shipping that are
supplied to you.
182 ThinkServer TD200x Types 3719, 3821, 3822, and 3823: Hardware Maintenance Manual