Internet Router Hardware Guide

Installing the Router without a Mechanical Lift
3. Grasp the screws at opposite corners of the impeller cover and slide the
assembly out of the chassis.
Figure 39: Removing the Rear Lower Impeller Assembly
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Removing the Fan Tray
The fan tray is located behind the cable management system on the front
of the chassis, just above the air filter, as shown in Figure 1. The fan tray
contains four fans and weighs approximately 13 lb (5.9 kg).
To remove the fan tray, follow this pr ocedure (see Figure 40):
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. Loosen the thumbscrew at each end of the f an tra y, using a Phillips screwdriver
if necessary.
3. Graspthesidesofthefantrayandpullfirmlytoslideitoutofthechassis.
Removing Com ponents from the Chassis 93