Lenovo ThinkServer TS450, User Manual And Hardware Maintenance Manual

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2. Disconnect the power cables from the power distribution board.
3. Remove the hot-swap redundant power supply. See “Removing a hot-swap power supply” on page 79.
4. Remove the screw that secures the power distribution board cage and then remove the cage. Pull the
power distribution board outward to release it from the power supply cage, and then remove the power
distribution board out of the chassis.
Note: Carefully handle the power distribution board by its edges.
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Figure 94. Removing the power distribution board
5. If you are instructed to return the old power distribution board, follow all packaging instructions and
use any packaging materials that are supplied to you for shipping.
Installing the power distribution board
To remove the power distribution board, do the following:
1. Prepare your server and remove the server cover. See “Preparing your server in advance and removing
the server cover” on page 53.
2. Lay the server on its side for easier operation.
3. Remove the hot-swap redundant power supply. See “Removing a hot-swap power supply” on page 79.
Chapter 5
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Replacing hardware
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