M160 Internet Router Hardware Guide
If you are installing or replacing componentsi nan operational router, see
“Replacing Hardware Components” on p age 139.
Perform the procedures described in the following sections to reinstall compone nts
into the chassis,first into the front and then into the rear:
Reinstalling the Front Impeller Assembly on page 100
Reinstalling the FPCs on page 101
Reinstalling the FanTray on page 102
Reinstalling theRear Lower Impeller Assembly on page 103
Reinstalling theRear Upper Impeller Assembly on page 104
Reinstalling the RoutingEngines on page 105
Reinstalling the PCGs on page 106
Reinstalling the MCSs on page 107
Reinstalling the SFMs on page 108
Reinstalling the Rear ComponentCover on page 109
Reinstalling the Power Supplies on page 109
Reinstalling the Front Impeller Assembly
The front impeller assembly, which includes the craftinterface, is located
at the top of the chassis front, as shown in Figure 1. To reinstall it,
follow this procedure (see Figure 45):
1. Attach an electrostatic discharge (ESD) grounding strap to your bare wris t and
connect the strap toone 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 ElectrostaticDischarge Damage” on page 226.
2. Grasp the sides of the impeller assembly and align the rear of the assembly
with the guides inside the chassis.
3. Slide the impeller assembly all the way into the chassis.
4. Using a Phillips screwdriver, tighten the captive screw at each corner of the
craft interface.
100 Reinstalling Components into the Chassis