Replacing The Power Supply Assembly - Lenovo ThinkCentre M72e Hardware Maintenance Manual

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 77. Installing the heat sink fan duct
11. To complete the installation or replacement, go to "Completing the parts replacement" on page 156.

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 1.
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.
DANGER
Hazardous moving parts. Keep fingers and other body parts away.
.
Chapter 10 Replacing FRUs (machine types: 0900, 0967, 1271, 3578, 3594, 3596, 3598, 3629,
3654, 3660, 3664, 3668, and 3676)
135