Western Digital WD Sentinel RX4100 User Manual - Manual (Page 104)

APPENDIX
98 WD SENTINEL RX4100
ADMINISTRATOR AND MAINTENANCE GUIDE
Removing the Unit Cover
Use the following steps remove the cover on the WD Sentinel RX4100 device. These steps
are necessary to replace certain internal parts.
To shut down your WD Sentinel server, follow the steps outline in “Shutting Down the
Server” on page 45.
What you’ll Need:
 Phillips screwdriver
Removing the Unit Back Cover
1. Before getting started, shut down the server and disconnect all external connections.
2. Place the unit on a clean and stable surface, with the back of the unit facing you.
3. Release two (2) screws on the top of the unit and unscrew two (2) thumbscrews on the
back of the unit.
Figure 4. Remove and unscrew unit screws
4. Push the unit cover away from you to release the cover, then lift it away from the unit
(Figure 5).
Figure 5. Remove unit cover
Important: To avoid electrostatic discharge (ESD) problems, ground yourself by
touching metal before handling the device.