HP Netserver L Server series - Manual (Page 21)

Chapter 3 Removing and Replacing Covers
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Figure 3-4. Removing the HP NetServer LH 3r Bezel
CAUTION Do not unscrew the NetServer from the rack until you have
extended the anti-tip foot from under the front of the rack.
This anti-tip device must be extended to prevent the rack and
NetServer from tipping over, which could damage the
NetServer and injure people.
If it is secured to the rack, unscrew the NetServer chassis from the rack, as shown
in Figure 3-5. Do not unscrew the entire hinge or bracket from the chassis;
remove only the outer screws, so the hinge and the bracket remain attached to the
NetServer
chassis. Pull the NetServer forward from the rack until the lockout
device engages with a click.