IBM Power System Series Manual page 192

DANGER: Multiple power cords. The product might be equipped with multiple AC power cords
or multiple DC power cables. To remove all hazardous voltages, disconnect all power cords and
power cables. (L003)
5. Label and disconnect all external cables that are attached to the PCIe adapters.
6. Place the system into the service position. For instructions, see Placing a system into the service
position (www.ibm.com/support/knowledgecenter/POWER9/p9haj/p9haj_950_service_position.htm).
7. Attach the electrostatic discharge (ESD) wrist strap.
The ESD wrist strap must be connected to an unpainted metal surface until the service procedure is
completed, and if applicable, until the service access cover is replaced.
Attention:
• Attach an electrostatic discharge (ESD) wrist strap to the front ESD jack, to the rear ESD jack,
or to an unpainted metal surface of your hardware to prevent the electrostatic discharge from
damaging your hardware.
• When you use an ESD wrist strap, follow all electrical safety procedures. An ESD wrist strap is
used for static control. It does not increase or decrease your risk of receiving electric shock
when using or working on electrical equipment.
• If you do not have an ESD wrist strap, just prior to removing the product from ESD packaging
and installing or replacing hardware, touch an unpainted metal surface of the system for a
minimum of 5 seconds. If at any point in this service process you move away from the system,
it is important to again discharge yourself by touching an unpainted metal surface for at least
5 seconds before you continue with the service process.
8. Remove the service access cover.
Attention: Operating the system without the cover for more than 10 minutes might damage the
system components. For proper cooling and airflow, replace the cover before turning on the
system.
a. Push the release latches (A) in the direction shown in the following figure.
b. Slide the cover (B) off the system unit as shown in the following figure. When the front of the service
access cover has cleared the upper frame ledge, lift the cover up and off the system unit.
188 Power Systems: Temple's Zeppelin procedures for install, remove, replace