Lenovo ThinkEdge SE455 V3 User Manual page 58

CAUTION:
Do not place any object on top of a rack-mounted device unless that rack-mounted device is intended
for use as a shelf.
Attention:
• Read "Installation Guidelines" on page 39
work safely.
• If applicable, remove the security bezel. See
• Power off the server and peripheral devices and disconnect the power cords and all external cables. See
"Power off the server" on page
CAUTION:
Make sure to have two people operate the server removal procedures to prevent injury.
Procedure
Step 1. Disengage the server from the flanges.
a. For the configurations with standard EIA brackets, loosen the two thumbscrews.
Figure 14. Disengaging server from the rack: standard EIA brackets
b. For the configurations with security EIA brackets, loosen the two security screws with key.
50 ThinkEdge SE455 V3 User Guide
and "Safety inspection checklist" on page 40
"Remove the security bezel" on page
48.
to ensure that you
195.