Juniper Networks M160 manual Installing the Rear Upper Impeller Assembly

M160 Internet Router Hardware Guide

Figure 78: Removing the Rear Upper Impeller Assembly

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Installing the Rear Upper Impeller Assembly

To install the rear upper impeller assembly, follow this procedure (see Figure 79 and Figure 80, which show the two types of impeller that can be installed):

1.Attach an electrostatic discharge (ESD) grounding strap to your bare wrist and connect the strap to one 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 Electrostatic Discharge Damage” on page 226.

2.Slide the assembly all the way into the chassis.

3.Tighten the thumbscrew at each corner of the impeller cover.

Figure 79: Installing the Rear Upper Impeller Assembly

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158 Replacing Cooling System Components