3.  Remove all power:
a.  Disconnect each power cord from the power source.
b.  Disconnect each power cord from the  server.
4.  Disconnect all peripheral cables from the  server.
5.  Remove the server from the  rack.
6.  Place the server on a flat, level work surface.
7.  Remove the access panel:
a.  If necessary, unlock the access panel latch (callout 1).
b.  To disengage the access panel from the chassis, press the release button and pull up the latch (callouts 2 and 3).
c.  Lift the access panel (callout 4).