Juniper J-series Services Router J2350 Hardware Manual page 179

Figure 90: Attaching Air Filter and Filter Cover
We recommend changing the filter every 6 months. However, the optimal filter
replacement interval can vary depending on the environment where the router is
located. If temperature alarms appear, inspect the air filter.
To replace the air filter:
Remove the filter cover by squeezing the plastic tabs on either side of the filter
1.
cover.
Pull the filter cover away from the chassis.
2.
Remove the old filter.
3.
Place the new filter in the opening.
4.
Replace the filter cover by pressing it until it clicks into place.
5.
Chapter 8: Replacing Hardware Components
Replacing Air Filters on J4350 and J6350 Routers
155