Lenovo ThinkSystem SR550 Setup Manual page 71

S002
CAUTION:
The power-control button on the device and the power switch on the power supply do not turn off the
electrical current supplied to the device. The device also might have more than one power cord. To
remove all electrical current from the device, ensure that all power cords are disconnected from the
power source.
Before installing a system fan
1. Remove the fan filler.
2. Touch the static-protective package that contains the new system fan to any unpainted surface on the
outside of the server. Then, take the new system fan out of the package.
To install a system fan, complete the following steps:
Watch the procedure. A video of the installation process is available:
• YouTube:
https://www.youtube.com/playlist?list=PLYV5R7hVcs-C9jFjZnXQ6AmTXaIdX6_HJ
• Youku: http://list.youku.com/albumlist/show/id_50429987
Figure 38. System fan installation
.
Chapter 3 Server hardware setup
67