Maintaining The Ptx1000 Fan Modules; Removing A Fan Module From The Ptx1000 - Juniper PTX1000 Hardware Manual

Maintaining the PTX1000 Fan Modules

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Removing a Fan Module from the PTX1000 | 98

Installing a Fan Module in the PTX1000 | 99
Removing a Fan Module from the PTX1000
The fan modules in a PTX1000 are hot-removable and hot-insertable field-replaceable units (FRUs)—you
can remove and replace them without powering off the PTX1000 or disrupting routing functions.
CAUTION:
overheating. Before removing the fan module, ensure you have a replacement fan
module available.
Before you remove a fan module from a PTX1000, ensure that you have taken the necessary precautions
to prevent electrostatic discharge (ESD) damage (see
page 161).
Ensure that you have the following parts and tools available:
ESD grounding strap
Antistatic bag or an antistatic mat
Phillips (+) screwdriver, number 1
To remove a fan module from a PTX1000 (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 electrostatic discharge (ESD)
grounding strap to your bare wrist, and connect the strap to one of the ESD points on the chassis.
3. Using the Phillips screwdriver, loosen the locking screw (3 or 4 turns).
4. Grasp the handle on the fan module and squeeze the outside of the handle to release the module.
Replace the fan module within 30 seconds of removal to prevent chassis
"Prevention of Electrostatic Discharge Damage" on
Figure 38 on page 99):
98