7. Install the new power supply assembly into the chassis so that the screw holes
in the power supply assembly align with those in the chassis.
Note: Use only the screws provided by Lenovo.
8. Install and tighten the four power supply assembly screws into the rear of the
chassis.
9. Reconnect the power supply connectors to the system board.
10. Reconnect the power supply connectors to the drives.
11. Use the following illustration to route the cables correctly. It is important to
correctly route all power supply cables to avoid interference when lowering
the drive bay assembly.
12. Ensure that all components have been reassembled correctly and that no tools
or loose screws are left inside the computer.
13. Lower the drive bay assembly.
14. To complete the installation, go to “Closing the cover and connecting cables”
on page 159.
Chapter 10. Replacing FRUs (Types 8098, 8171, 8172, 8173, 8424, and 8425) 145
