IBM Power System IC922, Обслуживание

Страница: 143 / 190

• 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.
2. Lift the air baffle (A) straight up as shown in the following figure.
Place the air baffle on a clean area.
Figure 116. Removing the air baffle
Removing
3. Ensure that you record the orientation of the polarity of the battery so that you can insert it with the
same orientation later. Remove the time-of-day battery from its slot on the system backplane as
shown in the following figure. Push the top portion of the battery to the outside of the system to
release the battery from the holder.
Removing and replacing parts in the 9183-22X 129