Lenovo 5457 Installation And Service Manual page 289

2. Turn off the server and all attached devices; then, disconnect all power cords and external cables.
3. Unlock and remove the side cover (see
4. Carefully turn the server on its side so that it is lying flat, with the cover facing up.
Attention: Do not allow the server to fall over.
5. Remove the thermal solution fan kit:
Figure 201. Thermal solution fan kit removal for 5U server model with hot-swap power supplies
a. Disconnect the fan cable from the system board (see
27).
b. Grasp the system fan by the blue point and pull up to lift it out of the chassis.
6. If you are instructed to return the thermal solution fan kit, follow all packaging instructions, and use any
packaging materials for shipping that are supplied to you.
Replacing the thermal solution fan kit
Use this information to replace the thermal solution fan kit
Attention:
1. To ensure proper cooling and airflow, do not operate the server for more than 30 minutes with the side
cover removed.
2. When you install a second adapter in the adapter slots on the system board, you must install the Lenovo
Thermal Solution Fan kit option to ensure proper cooling and airflow to the system. For 4U server
models with non-hot-swap power supplies, the part number is 46W9177. For 5U server models with hot-
swap power supplies, the part number is 00Y8200.
"Removing the side cover" on page
Pull to make it thinner
Outside
"System-board internal connectors" on page
Chapter 6
173).
.
Removing and replacing components
277