Reinstalling The Front Impeller Assembly - Juniper Internet Router M160 Hardware Manual

M160 Internet Router Hardware Guide
If you are installing or replacing components in an operational router, see
"Replacing Hardware Components" on page 139.
Perform the procedures described in the following sections to reinstall components
into the chassis, first into the front and then into the rear:

Reinstalling the Front Impeller Assembly

The front impeller assembly, which includes the craft interface, is located
at the top of the chassis front, as shown in Figure 1. To reinstall it,
follow this procedure (see Figure 45):
1.
2.
3.
4.
100
Reinstalling Components into the Chassis
Reinstalling the Front Impeller Assembly on page 100
Reinstalling the FPCs on page 101
Reinstalling the Fan Tray on page 102
Reinstalling the Rear Lower Impeller Assembly on page 103
Reinstalling the Rear Upper Impeller Assembly on page 104
Reinstalling the Routing Engines on page 105
Reinstalling the PCGs on page 106
Reinstalling the MCSs on page 107
Reinstalling the SFMs on page 108
Reinstalling the Rear Component Cover on page 109
Reinstalling the Power Supplies on page 109
Attach an electrostatic discharge (ESD) grounding strap to your bare wrist and
connect the strap to one of the ESD points on the chassis. Make sure the router
is attached to a proper earth ground. For more information about ESD, see
"Preventing Electrostatic Discharge Damage" on page 226.
Grasp the sides of the impeller assembly and align the rear of the assembly
with the guides inside the chassis.
Slide the impeller assembly all the way into the chassis.
Using a Phillips screwdriver, tighten the captive screw at each corner of the
craft interface.