Service manual

Chapter 1 General Information
6
Cover 1
Cover
Cover 3
Thumbscrew
Thumbscrew
2
HP NetServer LH 3000r Covers
8. Remove Cover 2 by supporting it with your hand, then loosening the thumbscrew and pulling
the cover forward to disengage it. Lift it away from the chassis.
9. Remove Cover 3 by supporting it with your hand, and loosening the thumbscrew with the other
hand. Pull the cover forward to disengage it and catch it as it falls away from the chassis.
Removing the System Board Assembly
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 cord and signal 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. Remove the covers to open the server.
NOTE HP recommends that you remove the system board assembly to install components.
LH 3000LH 3000r
Location of System Board Assembly