Removing The Air Filter From The Air Filter Unit In An Ex9253 Switch - Juniper EX9253 Hardware Manual

2. Ensure that the air filter is right-side up.
3. Grasp the air filter unit and slide into the rails on the cable management brackets until it fits snugly
on the cable management brackets (see
Figure 43: Installing the Air Filter Unit
4. Tighten the captive screws to secure the air filter unit.

Removing the Air Filter from the Air Filter Unit in an EX9253 Switch

Before you begin to remove the air filter, ensure that you have the following parts and tools available:
• A Phillips (+) screwdriver, number 2 (not provided)
• A replacement air filter
WARNING: Ensure that you understand how to prevent ESD damage (see
Electrostatic Discharge Damage
The air filter unit consists of three parts–the outer filter cover, the air filter, and the inner cage. The air
filter sits between the outer cover and the inner cage. The air filter unit is installed into the cable
management brackets, and are held tightly by captive screws.
Regularly inspect the air filter. A dirty air filter restricts airflow in the unit, producing a negative effect on
the ventilation of the chassis.
CAUTION: Do not operate the switch for more than two minutes without the air filter
unit installed on it. Because the fans are very powerful, they could pull small bits of wire
Figure 43 on page 118).
).
118
Prevention of