Lenovo 3057 Maintenance Manual page 148

2. If you are replacing a hot-swap redundant power supply, press the release tab
shown and carefully pull the handle
supply out of the chassis.
Figure 86. Removing a hot-swap redundant power supply
3. Touch the static-protective package that contains the new hot-swap redundant power supply to any
unpainted surface on the outside of the server. Then, remove the new hot-swap redundant power
supply from the package.
4. Note the orientation of the new hot-swap redundant power supply and then slide it into the chassis until
it snaps into position.
Figure 87. Installing a hot-swap redundant power supply
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ThinkServer RD430 Hardware Maintenance Manual
2 at the same time to slide the failing hot-swap redundant power
1 in the direction as