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Caution
Replacing the
Impeller
Caution
46 Troubleshooting and Repair
Static sensitive components on the mainframe backplane are
exposed when the impeller cover is removed. Use care when
removing / inserting the power supply fan wires.
6. Remove the fan from the mainframe chassis by removing the four
m4x45 pan head torx screws. (These screws are also used with the
replacement fan.)
7. Install the replacement fan such that the airflow is into the
mainframe.The airflow direction is labeled on the fan. Reconnect the
fan wires to the adapter board.
8. Install the power supply. Make sure the supply is firmly inserted into
the adapter board connectors. Re-insert the eight screws removed in
Step 3.
9. Install the impeller cover using the two m3x6 screws removed in Step
2.
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.
3. Disconnect the impeller wires from the backplane adapter board by
gently pulling down on the wire housing (Figure 3-4). Note the
position of the housing for re-installation.
Static sensitive components on the mainframe backplane are
exposed when the impeller cover is removed. Use care when
removing / inserting the impeller wires.
4. Loosen the two m4x8 pan head torx screws which secure the impeller
to the mainframe.
5. Lift the impeller off the screw locators and gently pull the impeller
out from the mainframe (Figure 3-4).
Chapter 3
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