Cisco 12416 Installation And Configuration Manual page 341

Chapter 7 Maintaining the Router
Seat the power shelf to the chassis
Step 7
a.
b.
Figure 7-29 Seating the Power Shelf
jackscrew
Cisco 12016, Cisco 12416, and Cisco 12816 Router Installation and Configuration Guide
OL-11495-01
Tighten the ejector jackscrew.
Tighten the captive screws on each flange.
Ejector
Removing and Replacing the Standard AC-Input Power Shelf
(Figure 7-29):
Captive screws
(2 on each side)
7-49