Removing The Rear Upper Impeller Assembly; Figure 45: Removing A M40E Routing Engine; Figure 46: Removing The M40E Rear Upper Impeller Assembly - Juniper M40E Hardware Manual

M40e Multiservice Edge Router Hardware Guide

Removing the Rear Upper Impeller Assembly

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Figure 45: Removing a M40e Routing Engine

The rear upper impeller assembly is located at the top of the chassis rear, as shown in
"M40e Chassis Description" on page 8. The assembly weighs approximately 4 lb (1.8 kg).
To remove the rear upper impeller assembly (see Figure 46 on page 90):
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.
Loosen the thumbscrew at each corner of the impeller cover, using a Phillips
2.
screwdriver if necessary.
Grasp the screws at opposite corners of the impeller cover and slide the assembly
3.
out of the chassis.

Figure 46: Removing the M40e Rear Upper Impeller Assembly

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