Reinstalling The Rear Upper Impeller Assembly; Reinstalling The Routing Engines; Figure 57: Reinstalling The Rear Upper Impeller Assembly - Juniper M40E Hardware Manual

M40e Multiservice Edge Router Hardware Guide

Reinstalling the Rear Upper Impeller Assembly

Reinstalling the Routing Engines

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The rear upper impeller assembly is installed at the top of the chassis rear, as shown in
"M40e Chassis Description" on page 8. To reinstall the assembly (see Figure 57 on
page 102):
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.
Slide the assembly all the way into the chassis.
2.
Tighten the thumbscrew at each corner of the impeller cover.
3.

Figure 57: Reinstalling the Rear Upper Impeller Assembly

The router can have a Routing Engine in each of the slots labeled
rear of the chassis, as shown in "M40e Chassis Description" on page 8.
NOTE: If two Routing Engines are installed, they must both be the same
hardware model.
To reinstall a Routing Engine (see Figure 58 on page 103):
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.
Verify that the extractor clip at each end of the Routing Engine is flipped toward the
2.
outer edge of the unit. If necessary, use your thumbs to push and hold the red tab on
each extractor clip toward the outer edge, then push the ends of the extractor clips
outward.
RE 0 and RE 1 at the
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