Juniper Networks M160 manual Removing the Fan Tray, Removing the Rear Lower Impeller Assembly

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 procedure (see Figure 40):

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.Loosen the thumbscrew at each end of the fan tray, using a Phillips screwdriver if necessary.

3.Grasp the sides of the fan tray and pull firmly to slide it out of the chassis.

Removing Components from the Chassis 93