3.
Turn the 4 screws clockwise, in the order indicated by the numbers 1 to 4, to fix the PSU.
Screws
Replacing the Power Supply Unit
1.
Unplug the AC power cord.
2.
Turn the 4 screws counterclockwise to loosen them.
Screws
Document Version 2009-12
3 2
4
1
3.2.9 Installing/Replacing the Power Supply Unit
Installation Manual
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