Lenovo ThinkServer RD440 - Manual (Page 148)

2. If you are replacing a hot-swap redundant power supply, press the release tab 1 in the direction as
shown and carefully pull the handle 2 at the same time to slide the failing hot-swap redundant power
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
136 ThinkServer RD440 User Guide and Hardware Maintenance Manual