TYAN Transport GT20 B5161 Service Engineer's Manual page 61

3.8 Replacing the Cooling Fan
Follow these instructions to replace the cooling fans in your
system.
1. Locate the fan connector on the motherboard and unplug
the fan cable.
2. Take the fan away from the chassis.
3. Replace the fan into the chassis following the reverse
procedures from 1 to 2 after done.
Chapter 3: Replacing Pre-Installed Components 53