Fujitsu CELSIUS R940 Operating Manual page 67

System expansions
Remove the board fan
• Requirement: open the casing (see "Opening the casing", Page 33).
2
1
► Press the catch of the fan in the direction of the arrow (1) so that the fan releases from the location.
► Remove the fan from the casing (2).
► Disconnect the fan cable from the mainboard.
Fujitsu 63