Visara CNA-8000 - Manual (Page 106)

Chapter 8. Maintenance
8-2 707157-001
Removing the Top Cover of the Server Chassis
Before installing any components, replacing chassis fans or accessing
the motherboard, you will first need to remove the top cover.
Procedures
1. Unlock and remove the screws and fasteners to remove the cover
or components.
2. Save all the screws and fasteners for later use. (If necessary, label
these screws or fasteners for easy identification.)
3. Press the release tabs to release the cover from its locking position.
4. Once the top cover is released from its locking position, push the
cover toward the rear side and slide it out from the chassis.