IBM S822LC, Servicing

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2. Identify the part and the system that you will be working on. For instructions, see “Identifying the
system that contains the part to replace” on page 103.
3. If applicable, open the rack front door.
4. Attach the electrostatic discharge (ESD) wrist strap.
Attention:
v Attach an electrostatic discharge (ESD) wrist strap to an unpainted metal surface of your hardware
to prevent the electrostatic discharge from damaging your hardware.
v When using 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.
v 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.
5.
Remove the front cover. For instructions, see “Removing the front cover from an 8335-GCA or
8335-GTA system” on page 110.
(L007)
CAUTION:
A hot surface nearby. (L007)
6. Stop the system. For instructions, see “Stopping the system” on page 108.
7. If applicable, open the rack door at the rear of the system.
8. Disconnect the power source from the system by unplugging the system. For instructions, see
“Disconnecting the power cords from an 8335-GCA or 8335-GTA system” on page 113.
Note: The system might be equipped with redundant power supply. Before you continue with this
procedure, ensure that all power to your system is disconnected.
(L003)
or
Removing and replacing parts
105