Lenovo 7X18 Maintenance Manual page 74

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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.
S017
CAUTION:
Hazardous moving fan blades nearby. Keep fingers and other body parts away.
Before removing the fan cage assembly:
1. Read the safety information and installation guidelines (see
Guidelines" on page
2. Turn off the server and peripheral devices and disconnect the power cords and all external cables (see
"Power off the server" on page
3. If the server is installed in a rack, slide the server out on its rack slide rails to gain access to the top
cover, or remove the server from the rack.
4. Remove the top cover (see
To remove the fan cage assembly, complete the following steps:
Step 1.
Lift and rotate the fan cage release latches to disengage the fan cage assembly from the server.
Figure 49. Fan cage assembly removal
Step 2.
Lift the fan cage assembly from the server.
ThinkSystem SR850 Maintenance Manual
66
55).
11).
"Remove the top cover" on page
"Safety" on page iii
and
145).
"Installation

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