push button
handle
Figure 10. Opening the 42-U Rack Door
2.Remove the front door from the rack as shown in Figure 11.
a.One person should grasp the top of the door to stabilize it. The other person should grasp the bottom of the door.
b.The person holding the bottom of the door should press the hinge release lever on the bottom hinge and then pull the door away from the rack.
c.The person holding the top of the door should press the hinge release lever on the top hinge and then pull the door away from the rack.
14 Dell PowerApp 100 Appliances Rack Installation Guide