Maintaining The Ex4200 Cooling System; Removing A Fan Tray From An Ex4200 Switch - Juniper EX4200 Hardware Manual

Maintaining the EX4200 Cooling System

IN THIS SECTION

Removing a Fan Tray from an EX4200 Switch | 193

Installing a Fan Tray in an EX4200 Switch | 194
Removing a Fan Tray from an EX4200 Switch
The fan tray in an EX4200 switch is a hot-removable and hot-insertable field-replaceable unit (FRU) located
on the rear panel of the switch: You can remove and replace it without powering off the switch or disrupting
switch functions.
Ensure that you have the following parts and tools available:
Phillips (+) screwdriver, number 2
An antistatic bag or an antistatic mat
To remove a fan tray from the switch:
1. Place the antistatic bag or the antistatic mat on a flat, stable surface.
2. Loosen the screw or screws securing the fan tray by using the screwdriver.
WARNING:
you slide the fan tray out of the chassis—the fan may still be running.
3. Grasp the handle on the fan tray and pull firmly to slide the fan tray halfway out of the chassis.
4. When the fan stops spinning, slide the fan tray completely out of the chassis.
5. Place the fan tray in the antistatic bag or on the antistatic mat placed on a flat, stable surface.
To avoid injury, do not touch the fan with your hands or any tools as
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