Cisco NCS 5500 Series Hardware Installation Manual page 65

Install the Chassis
Figure 28: Attach Top Hood to NCS 5508 Chassis and Side Brush Filter Kit
a) Place the bottom plate, with its brackets pointing up, to the bottom of the two side brush filter kit assemblies.
b) Place the top hood, with its brackets pointing down, on top of the two side brush filter kit assemblies.
c) (Only NCS 5504) Secure the bottom plate using 2 M3 x 8 mm pan head screws and top hood using 4 M4 x 8 mm
flat head screws.
d) (Only NCS 5508) Secure the bottom plate and top hood to the two side assemblies by using 8 M4 x 12 mm flat-head
Phillips screws (use two screws for each assembly). Tighten each screw to 11.5 to 15 in-lb (1.3 to 1.7 N·m) of torque.
Step 5
NCS 5516: Attach the top hood to the chassis and the tops of the two side brush filter kit assemblies as follows:
(Optional) Install Air Filter, Cable Management Bracket, or Door Kit on a Chassis
Hardware Installation Guide for Cisco NCS 5500 Series Modular Routers
59