Internet Router Hardware Guide

M160 Internet Router Hardware Guide
Figure 48: Reinstalling the Rear L ower Impeller Assembly
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Reinstal ling the Rear Upper Impeller Assembly
The rear upper impeller assembly is installed at the top of the chassis rear, as
shown in Figure 2 . To reinstall the assembly, follow this procedure (see Figure 49
and Figure 50, which show the two types of impeller that can be installed):
1. A tt ach 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 t he 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.
104 Reinstalling Com ponents into the Chassis