Lenovo ThinkStation Hardware Maintenance Manual page 128

Your computer might have a hard disk drive fan assembly installed. To replace the
hard disk drive fan assembly:
1. Remove the computer cover. See "Removing the cover" on page 96.
2. Locate the hard disk drive fan assembly. The hard disk drive fan assembly is
3. Disconnect the hard disk drive fan assembly cable from the system board. See
4. Press the two latches on the hard disk drive fan assembly bracket and then
5. Connect the new hard disk drive fan assembly cable to the hard disk drive fan
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attached to the side of the hard disk drive bay.
"Locating parts on the system board" on page 98.
slide the fan assembly bracket free from the chassis.
assembly connector on the system board.