Maintaining The Optical Ila Cooling System; Removing A Fan Module From An Optical Ila - Juniper PTX3000 Hardware Manual

Maintaining the Optical ILA Cooling System

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Removing a Fan Module from an Optical ILA | 92

Installing a Fan Module in an Optical ILA | 93
Removing a Fan Module from an Optical ILA
The fan modules in an optical ILA are hot-removable and hot-insertable field-replaceable units (FRUs)—you
can remove and replace them without powering off the optical ILA or disrupting optical ILA functions.
CAUTION:
overheating. Before removing the fan module, ensure that you have a replacement
fan module available.
Before you remove a fan module from an optical ILA, ensure that you have taken the necessary precautions
to prevent electrostatic discharge (ESD) damage (see
page 153).
Ensure that you have the following parts and tools available:
ESD grounding strap
Antistatic bag or an antistatic mat
Phillips (+) screwdriver, number 2
To remove a fan module from an optical ILA (see
1. Place the antistatic bag or the antistatic mat on a flat, stable surface.
2. To prevent damage to the equipment caused by static discharge, attach an ESD grounding strap to
your bare wrist, and connect the strap to one of the ESD points on the chassis.
3. Using a screwdriver, loosen the captive screws on the side of the fan.
4. Grasp the large captive screws on the fan module to slide the fan module halfway out of the chassis.
Replace the fan module within 30 seconds of removal to prevent chassis
"Prevention of Electrostatic Discharge Damage" on
Figure 26 on page 93):
92