Replacing The Power Supply Assembly - Lenovo ThinkCentre M71e Hardware Maintenance Manual
Machine types: 3129, 3132, 3133, 3134, 3136, 3140, 3141, 3143, 3146, 3147, 3150, 3154, 3156, 3157, 3166, 3167, 3169, 3171, 3175, 3176, 3177, 5033, 5036, 5039, 7338, and 7339
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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 64. Installing the heat sink fan duct
11. To complete the installation or replacement, go to "Completing the parts replacement" on page 141.
Replacing the power supply assembly
Attention:
Do not open your computer or attempt any repair before reading and understanding the "Important safety information"
in the ThinkCentre User Guide. To obtain a copy of the ThinkCentre User Guide, go to:
http://www.lenovo.com/ThinkCentreUserGuides
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 9
Replacing FRUs (Machine Types: 3132, 3134, 3140, 3143, 3147, 3154, 3157, 3167,
3171, 3176, 5033, 5039, and 7339.)
129
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