HP DL185 - Manual (Page 28)

Contents 28
Pre-Installation Procedure
Perform the steps below before you open the server or before you remove or replace any component.
WARNING: Failure to properly turn off the server before you open the server or before your start
installing/ removing components may cause serious damage as well as bodily harm.
1. Turn off the server and all the peripherals connected to it.
2. Unplug all cables from the power outlets to avoid exposure to high energy levels that may cause
burns when parts are short-circuited by metal objects such as tools or jewelry.
If necessary, label each one to expedite reassembly.
3. Disconnect telecommunication cables to avoid exposure to shock hazard from ringing voltages.
4. If server is installed in a rack, remove server and place it on a flat surface.
5. Remove the top cover according to the instructions described in the System Covers section in this
chapter.
6. Remove the top middle cover according to the instructions described in the System Covers
section in this chapter.
7. Follow the ESD precautions listed previously in this chapter when handling a server component.
IMPORTANT: To streamline the configuration process, read through the entire installation/removal
procedure first and make sure you understand them before you begin.
Post-installation instructions
Observe the following items after installing or removing a server component:
1. Be sure all components are installed according to the described step-by-step instructions.
2. Reinstall the peripherals, system cables, rear cage, and air baffle you have removed.
3. Reinstall the top middle cover.
4. Reinstall the top cover.
5. Reinstall server into rack.
6. Connect all external cables and the AC power cord to the system.
7. Press the power button on the front panel to turn on the server.
Server Warnings and Cautions
Before installing a server, be sure that you understand the following warnings and cautions.
WARNING: To reduce the risk of electric shock or damage to the equipment:
• Do not disable the power cord grounding plug. The grounding plug is an important safety feature.
• Plug the power cord into a grounded (earthed) electrical outlet that is easily accessible at all times.
• Unplug the power cord from the power supply to disconnect power to the equipment.
• Do not route the power cord where it can be walked on or pinched by items placed against it. Pay
particular attention to the plug, electrical outlet, and the point where the cord extends from the server.
WARNING: To reduce the risk of personal injury from hot surfaces, allow the drives and the internal
system components to cool before touching them.