Lenovo 1046 - Manual (Page 62)

3. Slide the microprocessor fan duct a little bit backward to release the three plastic tabs from the chassis.
Then, lift the microprocessor fan duct out of the chassis.
Figure 42. Removing the microprocessor fan duct
4. To install the microprocessor fan duct, see Installing the microprocessor fan duct.
Installing the microprocessor fan duct
Attention: Do not open your server or attempt any repair before reading and understanding the “Safety information”
on page iii and “Guidelines” on page 17.
This section provides instructions on how to install the microprocessor fan duct.
To install the microprocessor fan duct, 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.
3. Place the microprocessor fan duct over the heat sink(s) and insert the three plastic tabs on one side
of the duct with the corresponding holes in the chassis. Then, carefully pivot the other side down
to install the duct in place.
4. To complete the installation, go to Completing the parts replacement.
Removing or installing the power supply
This section provides instructions on how to remove or install the power supply.
Removing the power supply
Attention: Do not open your server or attempt any repair before reading and understanding the “Safety information”
on page iii and “Guidelines” on page 17.
52 ThinkServer Installation and User Guide