IBM 9228 Service Guide - Page 99

component that has this label attached. There are no serviceable parts inside, Hazardous voltage

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CAUTION: Never remove the cover on a power supply or any part that has the following label attached. Hazardous voltage, current, and energy levels are present inside any component that has this label attached. There are no serviceable parts inside these components. If you suspect a problem with one of these parts, contact a service technician. To remove the power supply, complete the following steps. Retaining screws Power-supply handle Figure 58. Removing the power supply 1. Read the safety information that begins on page vii and "Installation guidelines" on page 29. 2. Turn off the computer and all attached devices; then, disconnect all external cables and power cords. 3. Remove the side cover (see "Removing the side cover" on page 31). Note: It might be helpful to lay the computer on its left side for the remainder of this procedure. 4. Disconnect the cables from the power supply to the system board and all internal components. Chapter 4. Removing and replacing computer components 81

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CAUTION:
Never remove the cover on a power supply or any part that has the following
label attached.
Hazardous voltage, current, and energy levels are present inside any
component that has this label attached. There are no serviceable parts inside
these components. If you suspect a problem with one of these parts, contact
a service technician.
To remove the power supply, complete the following steps.
1.
Read the safety information that begins on page vii and “Installation guidelines”
on page 29.
2.
Turn off the computer and all attached devices; then, disconnect all external
cables and power cords.
3.
Remove the side cover (see “Removing the side cover” on page 31).
Note:
It might be helpful to lay the computer on its left side for the remainder of
this procedure.
4.
Disconnect the cables from the power supply to the system board and all
internal components.
Power-supply
handle
Retaining screws
Figure 58. Removing the power supply
Chapter 4. Removing and replacing computer components
81