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007-5806-004
7: Maintenance Procedures
Removing or Replacing a Fan Enclosure Power Supply
The 12-fan (blower) assembly that is mounted back-to-back with the blade enclosure pair to
provide cooling uses two power supplies to provide voltage to the blowers. Removal and
replacement of a blower assembly power supply requires the use of a T-25 torx driver.
Removing a Fan Assembly Power Supply
Use the following information and illustrations to remove a power supply from the fan (blower)
assembly enclosure:
1. Open the rear door of the rack and locate the fan power supply access door. The access door
will be located between the upper and lower blower sets.
2. Use a T-25 torx driver to undo the screw that holds the supply access door (on the right) to
the fan enclosure chassis.
Note:
You may have to adjust or move power or other cables to enable the access door to
swing outward.
3. Move the fan power box outward so that the front of the supply is fully accessible.
4. Disconnect the power cord from the supply that is to be replaced. If the supply has been
active, allow several minutes for it to cool down.
5. Push the power supply retention tab towards the center of the supply to release it from the
fan power box.
6. Pull the supply out of the fan power box while supporting it from beneath.
Replacing a Fan Power Supply
Use the following steps to replace a fan power supply:
1. Align the rear of the power supply with the empty fan power box.
2. Slide the unit all the way in until the supply’s retention tab snaps into place.
3. Reconnect the power cable to the supply and secure the cable retention clip.
4. Move the fan power box inward until the access door is again flush with the rear of the rack.
5. Use the T-25 torx driver to secure the power box door screw to the rear of the fan enclosure.
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Страница 27: ...Powering the System On and Off 007 5806 004 7 Figure 1 5 Three Phase PDU Examples ...
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Страница 78: ...58 007 5806 004 4 Rack Information Figure 4 2 Front Lock on Tall 42U D Rack ...
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Страница 85: ...SGI ICE X M Cell Rack Assemblies 007 5806 004 65 Figure 4 7 Half M Cell Rack Assembly Cell Example ...
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