Cisco Nexus 7000 Hardware Installation And Reference Manual page 150

Installing the Front Door and Air Intake Frame
Figure 5-19
1
Double-hinged door
2 Move one side to the hinge pins
While holding the door on the hinge pins with one hand, use your other hand to press the locking button
Step 12
on the interior side of the door. See
that you no longer need to hold the door onto the chassis.
Cisco Nexus 7000 Series Hardware Installation and Reference Guide
5-28
Attaching One Side of the Door to the Chassis
Figure
Chapter 5
3
Hinge pins
4 Slot for hinge pin
5-20. This action locks the latches around the hinge pins so
Installing a Cisco Nexus 7018 Chassis
OL-23069-07