Reinstalling The Front Impeller Assembly - Juniper M40E Hardware Manual

M40e Multiservice Edge Router Hardware Guide

Reinstalling the Front Impeller Assembly

98
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WARNING: The procedures in this section apply only to initial installation
and assume that you have not yet connected power to the router. If power
is connected, completely disconnect it before continuing. See Disconnecting
AC Power from the M40e Router or Disconnecting DC Power from the M40e
Router.
Reinstall components into the chassis, first into the front and then into the rear:
Reinstalling the Front Impeller Assembly on page 98
Reinstalling the FPCs on page 99
Reinstalling the Fan Tray on page 100
Reinstalling the Rear Lower Impeller Assembly on page 101
Reinstalling the Rear Upper Impeller Assembly on page 102
Reinstalling the Routing Engines on page 102
Reinstalling the PCGs on page 103
Reinstalling the MCSs on page 104
Reinstalling the SFMs on page 105
Reinstalling the Rear Component Cover on page 106
Reinstalling the Power Supplies on page 106
The front impeller assembly, which includes the craft interface, is located at the top of
the chassis front, as shown in "M40e Chassis Description" on page 8. To reinstall it (see
Figure 53 on page 99):
Attach an electrostatic discharge (ESD) grounding strap to your bare wrist, and connect
1.
the strap to one of the ESD points on the chassis. For more information about ESD,
see "Preventing Electrostatic Discharge Damage to an M Series, MX Series, or T Series
Router" on page 232.
Grasp the sides of the impeller assembly and align the rear of the assembly with the
2.
guides inside the chassis.
Slide the impeller assembly all the way into the chassis.
3.
Using a Phillips screwdriver, tighten the captive screw at each corner of the craft
4.
interface.
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