Installing the Router without a Mechanical Lift
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. Grasp the sides of the fan tray and align the rear of the tray with the guides
inside the chassis.
3. Slidethefantrayallthewayintothechassis.
4. Tighten the thumbscrewat each end of the cable management system.
Figure 47: Reinstalling the Fan Tray
1937
Reinstalling the Rear Lower Impeller AssemblyThe rear lower impeller assemblyis located to the left of the circuit
breaker box on the rearof the chassis, as shown in Figure 2. To reinstall
it, follow this procedure (see Figure 48):
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. Orient the impeller so that the label is on the top. Align the rails on the upper
edges of the impeller assembly with the guides inside the chassis.
3. Pushtheimpellerassemblyupandtotherighttostartitintothechassis,
then slide it all the way in.
4. Tighten the thumbscrewat each corner of the impeller cover.
Reinstalling Components into the Chassis 103