Removing The Front Impeller Assembly; Figure 49: Removing An M40E Fpc - Juniper M40E Hardware Manual

M40e Multiservice Edge Router Hardware Guide

Removing the Front Impeller Assembly

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Figure 49: Removing an M40e FPC

The front impeller assembly, which includes the craft interface, is located at the front of
the chassis above the FPC card cage, as shown in "M40e Chassis Description" on page 8.
The assembly weighs approximately 14.5 lb (6.6 kg).
To remove the front impeller assembly (see Figure 50 on page 95):
Place an electrostatic bag or antistatic mat on a flat, stable surface.
1.
Attach an electrostatic discharge (ESD) grounding strap to your bare wrist, and connect
2.
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.
Using a Phillips screwdriver, loosen the captive screw at each corner of the craft
3.
interface.
Insert a flat-blade screwdriver into the gap around the craft interface and gently pry
4.
the impeller assembly forward until you can grasp the sides of the assembly and slide
it halfway out of the chassis.
Place one hand under the assembly to support it, slide it completely out of the chassis,
5.
and place it on the antistatic mat or in the electrostatic bag.
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