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Installing the fan-cage assembly
1 Fan cage assembly
2 Fan cage assembly release buttons
To install the fan-cage assembly, do the following:
1. Align the guides on the fan cage with release latches on each side.
2. Push the fan-cage assembly into the server until it clicks into place.
3. If you removed any full-length PCI adapters, install them (see “Installing an
adapter” on page 184).
4. Install the air baffle (see “Installing the air baffle” on page 170).
5. Return the power-supply cage to its closed position (see “Closing the
power-supply cage” on page 160).
6. Install the hot-swap power supply or power supplies (see “Installing a hot-swap
power supply” on page 175).
7. Install and lock the left-side cover (see “Installing the left-side cover” on page
158).
8. Reconnect the external cables and power cords; then, turn on the attached
devices and turn on the server.
Removing the battery
To remove the battery, do the following:
1. Read the safety information that begins on page 5.
2. Turn off the server and all attached devices.
3. Disconnect all external cables and power cords.
4. Turn the server on its side so that it is lying flat, with the side cover facing up.
5. Unlock and remove the left-side cover (see “Removing the left-side cover” on
page 157).
172 ThinkServer TD200x Types 3719, 3821, 3822, and 3823: Hardware Maintenance Manual