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Chapter 6 Replacing Parts
83
1. Log off all users and gracefully shut down the network operating system according to directions
in your NOS documentation.
2. Power down the HP NetServer.
3. Disconnect the power cords and cables, and if necessary, label each one to support re-
assembly.
CAUTION The power supplies will continue to provide standby current to the NetServer until
the power cable is disconnected.
4. For both rack-mounted and pedestal models, gain access to the system board assembly.
NOTE In the rack-mounted version, this assembly is under the right cover, in the pedestal
version, it is under the top cover.
WARNING Always disconnect the power cords before removing the covers, to avoid exposure
to high energy levels that may cause burns when parts are short-circuited by metal
objects such as tools or jewelry. Disconnect any telephone cables to avoid exposure
to shock hazard from telephone ringing voltages.
5. Remove the two screws securing the system board assembly to the chassis.
6. Unlatch the blue retaining latches to release the assembly.
7. Pull the assembly out until it clears the chassis guides.
CAUTION The system board assembly weighs approximately 30 lbs. Have someone help you.
One person can do it, but it is easier with two.
8. Slide the system board assembly from the chassis and place it metal plate side down on an
anti-static pad
9. Note the polarity of the battery and the orientation of the battery in the battery holder.
10. Lift the clip holding the battery in the battery holder and remove the battery.
11. Install new the battery in the battery holder.
12. Reinstall any adapter boards you removed.
13. Carefully reinsert the system board assembly into its guides, and reseat it into its socket by
rotating the blue latches to the flat, locked position.
14. Replace the two screws securing the system board assembly to the chassis.
15. Close up the HP NetServer.
16. Reconnect power cords and cables.
17. Restore HP NetServer to normal operation.
Reset the time and date if necessary.
This completes your battery installation.
CAUTION Dispose of the old battery in accordance with your local environmental regulations.