166 Upgrade and Maintenance Manual TX120 S3
System fan and HDD fan
Figure 71: Installing the HDD fan module
Ê Insert the HDD fan module so that the three hooks on the fan module fit into
the slots in the chassis (1).
Ê Slide the HDD fan module as far as it will go until its hooks engage with the
narrow ends of the keyhole slots in the chassis (2).
8.2.1.7 Concluding steps
Ê Close the front cage as described in section "Closing the front cage" on
page 68.
Ê Close the server cover as described in section "Closing the server" on
page 70.
Ê Reconnect the AC power cord to the power supply unit.
Ê "Performing a fan test after replacing a defective fan" on page 108
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