Lenovo ThinkSystem SR860 Maintenance Manual page 80

The power control button on the device and the power switch on the power supply do not turn off the
electrical current that is 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.
S017
CAUTION:
Hazardous moving fan blades nearby.
Before removing the fan cage assembly:
1. Read the safety information and installation guidelines (see "Safety" on page iii and "Installation
Guidelines" on page 59).
2. Turn off the server and peripheral devices and disconnect the power cords and all external cables (see
"Power off the server" on page 10).
3. If the server is installed in a rack, remove the server from the rack.
4. Remove the top cover (see "Remove the top cover" on page 146).
5. Remove the chassis air baffle (see "Remove the chassis air baffle" on page 65).
To remove the fan cage assembly, complete the following steps:
Watch the procedure. A video of the process is available:
• Youtube: https://www.youtube.com/watch?v=pIb0bIyfkDY&=PLYV5R7hVcs-Ak9fT8QAx8fLbEivizjRtp
• Youku:
http://v.youku.com/v_show/id_XMzMyODU3NTY2NA==.html?spm=a2hzp.8253876.0.0&f=51276390
Figure 58. Fan cage assembly removal
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ThinkSystem SR860 Maintenance Manual