Lenovo ThinkEdge SE450 Maintenance Manual page 79

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S017
CAUTION:
Hazardous moving fan blades nearby. Keep fingers and other body parts away.
Attention:
• Go over
"Installation Guidelines" on page 41
• Turn off the server and peripheral devices and disconnect the power cords and all external cables (see
"Power off the server" on page
• 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.
Watch the procedure.
https://www.youtube.com/playlist?list=PLYV5R7hVcs-DV_Ja2E7l6T-lwN_IrnJRk
Procedure
Step 1.
Make preparations for this task.
1. If applicable, remove the security bezel (see
2. Remove the top covers (see
3. Remove the air baffle (see
Step 2.
Proceed to remove a fan or the whole fan cage.
"Remove a fan" on page 71
"Remove the fan cage assembly" on page 72
Remove a fan
Step 1.
Remove a fan.
to ensure that you work with safety.
13).
A video of this procedure is available from the following link:
"Remove the top covers" on page
"Remove the air baffle" on page
"Remove the security bezel" on page
168).
43).
.
Chapter 3
Hardware replacement procedures
137).
71

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