Replacing The Power Supply Assembly - Lenovo ThinkStation E32 User Manual

7. Place the new heat sink and fan assembly on the system board so that the four screws are aligned
with the corresponding holes in the system board. Ensure that you properly place the new heat sink
and fan assembly so that you can easily connect the new heat sink and fan assembly cable to the
microprocessor fan connector on the system board.
8. Follow this sequence to install the four screws to secure the new heat sink and fan assembly, as shown
in Figure 60 "Screws that secure the heat sink and fan assembly" on page 63:
a. Partially tighten screw
b. Partially tighten screw
9. Connect the heat sink and fan assembly cable to the microprocessor fan connector on the system
board. See "Locating parts on the system board" on page 12.
10. Lower and position the heat sink fan duct on the top of the heat sink and fan assembly until it snaps
into position.
Figure 62. Installing the heat sink fan duct
What to do next:
• To work with another piece of hardware, go to the appropriate section.
• To complete the installation or replacement, go to "Completing the parts replacement" on page 93.

Replacing the power supply assembly

Attention:
Do not open your computer or attempt any repair before reading and understanding the "Important safety information"
on page v.
This section provides instructions on how to replace the power supply assembly.
Although there are no moving parts in your computer after the power cord has been disconnected, the
following warnings are required for your safety and proper Underwriters Laboratories (UL) certification.
CAUTION:
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ThinkStation E32 User Guide
1 , then fully tighten screw
3
, then fully tighten screw
2 , and then fully tighten screw
4
, and then fully tighten screw
1 .
3
.