Table of Contents
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Replacing the
Power Supply Fan
m4x45 pan head torx screws
m3x8 pan head
torx screws
Chapter 3
1. Turn off the mainframe and remove the power cord.
2. Remove the impeller cover by removing the two m3x6 flat head torx
screws and lifting the cover off (Figure 3-3). (Removing the impeller
cover provides easier access to the fan wires.)
3. Remove the eight m3x8 pan head torx screws connecting the power
supply to the mainframe chassis (Figure 3-2).
4. Using the metal rings on the power supply, gently pull the supply out
from the plastic connectors on the backplane adapter board. Set the
power supply aside. Do not carry the supply using the metal rings.
5. Disconnect the (power supply) fan wires from the adapter board by
gently pulling down on the wire housing (Figure 3-3). Note the
position of the housing for re-installation.
backplane adapter board and
plastic connector
Figure 3-3. Removing the Power Supply Fan Wires.
fan wires
m3x6 flat head torx screws
Troubleshooting and Repair 45
install fan such that airflow
is into power supply
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