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.  If installed, remove the front bezel .
8.  Remove the left chassis ear:
a.  Remove left chassis ear screws (callouts 1 and 2).
Retain the screws. These screws will be used to secure the new left chassis ear spare.
b.  Detach the left chassis ear (callout 3).