Chapter 13: Replacing Hardware Components

3.Grasp the handle on the faceplate and slide the tray about halfway out of the chassis.

CAUTION: To avoid injury, keep tools and your fingers away from the fans as you slide the fan tray out of the chassis. The fans might still be spinning.

4.Place one hand under the fan tray to support it and slide the tray completely out of the chassis after the fans stop spinning.

Figure 27: Removing a Fan Tray

Installing a Fan Tray

To install a fan tray, follow this procedure (see Figure 28):

CAUTION: For proper airflow, the primary fan tray should be installed in slot 1, on the left rear of the chassis. The redundant fan tray should be installed in slot 0 on the right.

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 140.

2.Grasp the handle on the faceplate of the fan tray with one hand and place the other hand under the unit to support it. Orient the fan tray so that the thumbscrew is at the top of the tray.

3.Slide the tray into the slot.

4.Tighten the thumbscrew to seat the fan tray firmly in the chassis.

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Juniper Networks M10i manual Installing a Fan Tray, Removing a Fan Tray