NETGEAR READYNAS 2120, READYNAS 3220, READYNAS 4220 - page 41

Maintenance
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NETGEAR ReadyNAS OS 6 Rack-Mount Storage Systems
4. Lift the top cover from the chassis.
You now have full access to the inside of the system.
To access the inside of a 3220 or 4220:
1. If your system is mounted in a rack, grasp the two handles on either side and pull the
system straight out until it locks.
The system is locked when you hear a click sound.
2. Remove the four screws holding the top cover in place.
3. Slide the top cover back.