Lenovo ThinkServer TS440 User Manual
Page 149
CAUTION:
Hazardous moving parts. Keep fingers and other body parts away.
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.
Before you begin, print all the related instructions or ensure that you can view the PDF version on another
computer for reference.
Notes:
• Depending on the model, your server might look slightly different from the illustrations in this topic.
• Use any documentation that comes with the new non-hot-swap power supply assembly and follow those
instructions in addition to the instructions in this topic.
To replace the non-hot-swap power supply assembly, do the following:
1. Remove all media from the drives and turn off all attached devices and the server. Then, disconnect all
power cords from electrical outlets and disconnect all cables that are connected to the server.
2. Remove the server cover. See “Removing the server cover” on page 67.
3. Lay the server on its side for easier operation.
4. Remove the front system fans. See “Replacing the front system fan 1” on page 144.
5. Record the cable routing and connection. Then, disconnect the power supply assembly cables from the
system board and or the power conversion board.
6. Release the power supply assembly cables from the cable clips and ties in the chassis.
Installing, removing, or replacing hardware
137