3-6 Sun StorEdge 3000 Family FRU Installation Guide • May 2004
3.2.1.2 Installing an AC Power Supply/Fan Module
1. Slide the new module into the fan and power supply slot.
2. Push the latch back so that the power supply is fully inserted into the chassis.
3. Turn the thumbscrew at the top of the power supply latch clockwise until it is
finger-tight, to secure the module.
Note – To ensure that a thumbscrew is finger-tight, tighten it with a screwdriver
and then loosen the thumbscrew counterclockwise a quarter-turn.
4. Attach the power cable and reinstall the AC cord locks if applicable.
5. Turn the power back on.
3.2.2 Replacing a DC Power Supply/Fan Module
Caution – To avoid damage to equipment, do not remove a power supply/fan
module without a working replacement.
3.2.2.1 Removing a DC Power Supply/Fan Module
1. Be sure to follow “Static Electricity Precautions” on page 1-5.
2. Turn off the power and remove the power cable.
3. Turn the thumbscrew at the top of the power supply latch counterclockwise until
the thumbscrew is disengaged from the power supply.
FIGURE 3-3 The Power Supply Partially Pulled out of the Chassis
Turn the thumbscrew counterclockwise.
Pull the latch forward.
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