Lenovo THINKSERVER 3821 - Manual (Page 178)

Installing the air baffle
To install the air baffle, do the following:
1. With the rear (hinged) part of the air baffle 3 lifted up, align the positioning
pins on the ends of the air baffle with the locating holes in the server chassis
and fan-cage assembly.
2. Slide the air baffle down into the server 1 until the positioning pins fit into the
locating holes; then, press down on the air baffle until the pinch tab clicks into
place.
3. Rotate the rear (hinged) part of the air baffle 2 down to the system board.
Note: Make sure that the power-supply cage cables are not caught under the
air baffle.
4. Return the power-supply cage to its closed position (see “Closing the
power-supply cage” on page 160).
5. Install the hot-swap power supply or power supplies (see “Installing a hot-swap
power supply” on page 175).
6. Install and lock the left-side cover.
7. Reconnect the external cables and power cords; then, turn on the attached
devices and turn on the server.
170 ThinkServer TD200x Types 3719, 3821, 3822, and 3823: Hardware Maintenance Manual