Lenovo 1047, 1046, 1045, 1048 manual Removing the heat sink

CAUTION:

The heat sink might be very hot. Turn off the server and wait three to five minutes to let the server cool before removing the server cover.

To remove the heat sink, do the following:

1.Remove all media from the drives and turn off all attached devices and the server. Then, disconnect all power cords from electrical outlets and disconnect all cables that are connected to the server.

2.Remove the server cover. See “Removing the server cover” on page 21.

3.Remove the microprocessor fan duct. See Removing the microprocessor fan duct.

4.Loosen the four screws that secure the heat sink and then carefully lift the heat sink out of the chassis.

Figure 57. Removing the heat sink

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-4 Screws Air flow

The front of the chassis

5.If you are instructed to return the heat sink, follow all packaging instructions and use any packaging materials that are supplied to you for shipping.

6.To install the heat sink, see Installing the heat sink.

Chapter 5. Installing, removing, or replacing hardware 65