Lenovo 1047 - Manual (Page 70)

Removing or installing the microprocessor fan duct
This section provides instructions on how to remove or install the microprocessor fan duct.
Removing 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 19.
This section provides instructions on how to remove the microprocessor fan duct.
To remove 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” on page 21.
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 51. Removing the microprocessor fan duct
4. To install the microprocessor fan duct, see “Installing the microprocessor fan duct” on page 58.
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 19.
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.
58 ThinkServer User Guide