Maintaining The Qfx5120 Cooling System; Removing A Fan Module From A Qfx5120 Switch - Juniper QFX5120 Series Hardware Manual

Maintaining the QFX5120 Cooling System

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Removing a Fan Module from a QFX5120 Switch | 121

Installing a Fan Module in a QFX5120 Switch | 122
Removing a Fan Module from a QFX5120 Switch
The fan module in QFX5120 switches is a hot-removable and hot-insertable field-replaceable unit (FRU)
installed in 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
A replacement fan module
NOTE: The fan module slots are at the left side of the rear panel.
to remove a fan module.
1. Place the antistatic bag or the antistatic mat on a flat, stable surface.
2. Loosen the captive screws on the front faceplate of the fan module by using your fingers. If you are
unable to loosen the captive screws by using your fingers, use the screwdriver.
WARNING:
you slide the fan module out of the chassis—the fan might still be running.
3. Grasp the handle on the fan module and pull it firmly to slide the fan module out of the chassis.
4. Place the fan module in the antistatic bag or on the antistatic mat placed on a flat, stable surface.
To prevent injury, do not touch the fan with your hands or any tools as
Figure 59 on page 122 shows how
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