Dell 6350 Rack Installation page 18

1-4 Rack Installation Guide
   & )   
You must remove the doors from the rack to provide access to the interior of the rack
and to prevent damage to the doors while installing the computers.

        

1. Open the latch on the front door (see Figure 1-2).
Slide the button cover up as far as it can go, press the push button, rotate the
handle clockwise until the latch releases, and then pull the door open.



    
push-button
cover
push button
handle