Cisco AS5200-PWR-AC Replacement Manual page 6

Removing the Chassis Cover
Step 5
Figure 2
Step 6
Figure 3
Step 7
6 Replacing the Power Supply in Cisco AS5200 Universal Access Servers
Lift up the front edge of the top cover a few inches. You might need to use a screwdriver
to pry the top cover apart from the chassis bottom.
Lifting the Top Cover
Pull the top cover toward you until the metal tabs on the top cover separate from the
chassis bottom.
Separating the Top Cover from the Chassis Bottom
Lift the top cover until it separates from the chassis bottom and set it aside.