Juniper Networks 5000 - Manual (Page 48)

Chapter 4 Servicing the Device
40 User’s Guide
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.
8. Insert the fan tray into the chassis.
9. Lock the fan lever.
NetScreen-5400 Fan Module
To replace the fan module on a NetScreen-5400:
1. Loosen the top and bottom thumbscrews with a Phillips-head screwdriver,
turning them counterclockwise.
2. Grip the screws, and then gently slide the fan module out.
Note: Make sure that the filter is secure against the Velcro wall; otherwise the
filter will tear when you reinstall the fan.
Warning: Do not remove the fan module while the fans are still spinning.
Fan Front Fan Module