Data General AViiON 3000 Manual page 90

This section tells how to remove a failed power supply and install a new power
WARNING: The inside of power supply contains high voltage that can be
present even after the supply is disconnected from the ac
Removing the Power Supply
Before you can remove the power supply, you need to power down any peripherals
and the computer unit, and remove the computer unit's top and left side covers as
described in the "Opening the Computer Unit" section of Chapter 1.
1. Unplug the ac power and fan assembly power cables from the power supply as
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Fan assembly power cable
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Supply