Juniper EX4300 Series

6. Tighten the capve screws on the faceplate of the fan module by using your ngers. If you are unable
to ghten the capve screws by using your ngers, use the screwdriver.
Figure 86: Removing a Fan Module from an EX4300 Switch
NOTE: Both the fan modules must be installed and operaonal for opmal funconing of the
switch.
SEE ALSO
Installing a Fan Module in an EX4300 Switch | 293
Installing and Removing EX4300 Switch Hardware Components
Cooling System and Airow in an EX4300 Switch | 82
Field-Replaceable Units in EX4300 Switches | 52
EX4300 Switches Hardware Overview | 2
Installing a Fan Module in an EX4300 Switch
Before you install a fan module in the switch:
• Ensure you understand how to prevent electrostac discharge (ESD) damage. See Prevenon of
Electrostac Discharge Damage .
Ensure that you have the following parts and tools available to install a fan module in the switch chassis:
• ESD grounding strap
• Phillips (+) screwdriver, number 2
293