Juniper NetScreen-5000 Series Installation And Configuration Manual page 51

4. Push the wooden ruler toward the back of the chassis, gently lifting the filter as
you proceed.
5. Once the filter is separated from the Velcro backing, use your fingers to pull the
filter out of the fan-tray slot.
Figure 23: Removing a NetScreen-5200 Fan-Tray Filter
6. Carefully insert a new filter into the chassis. Use the wooden ruler as an aid to
guide the back edge of the filter to reach the end of the Velcro wall.
7. Once the filter is fully inserted, push the wooden ruler against the filters surface
several times to insure that the filter is secure against the chassis wall.
NOTE: Make sure that the filter is secure against the Velcro wall; otherwise the filter will
tear when you reinstall the fan.
8. Insert the fan tray into the chassis.
9. Lock the fan lever.
Servicing the Device
Replacing the Fan Module
51