Replacing The Front Fan Assembly - Lenovo ThinkStation 4215 Hardware Maintenance Manual

Replacing the front fan assembly

This section provides instructions on how to replace the front fan assembly.
Note: Not all computers have the front fan assembly.
To replace the front fan assembly, do the following:
1. Remove all media from the drives and turn off all attached devices and the
2. Remove the computer cover. See "Removing the computer cover" on page 87.
3. Remove the front bezel. See "Removing and reinstalling the front bezel" on
4. Disconnect the front fan assembly cable from the power fan connector on the
114
Hardware Maintenance Manual
What to do next:
v To work with another piece of hardware, go to the appropriate section.
v To complete the replacement, go to "Completing the FRU replacement" on
page 122.
Attention
Do not open your computer or attempt any repair before reading and
understanding the "Important safety information" in the ThinkStation Safety
and Warranty Guide that came with your computer. To obtain a copy of the
ThinkStation Safety and Warranty Guide, go to:
http://www.lenovo.com/support
computer. Then, disconnect all power cords from electrical outlets and
disconnect all cables that are connected to the computer.
page 89.
system board. See "Locating parts on the system board" on page 86.
Note: If your computer has a secondary hard disk drive installed, remove the
secondary hard disk drive to get easier access to the power fan connector
on the system board. See "Replacing the secondary hard disk drive" on
page 109.