M160 Internet Router Hardware Guide
Figure 48: Reinstalling the Rear Lower Impeller Assembly
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The rear upper impeller assembly is installe d at the top of the chassis rear,as
shown in Figure2. To reinstallthe assembly, followthis procedure (see Figure 49
and Figure 50, which show the two types of impel ler that can be installed):
1. Attach an electrostatic discharge (ESD) grounding strap to your bare wris t and
connect the strap toone 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 ElectrostaticDischarge Damage” on page 226.
2. Slide the assembly all the way into the chassis.
3. Tighten the thumbscrewat each corner of the impeller cover.
104 Reinstalling Components into the Chassis