FUJITSU Siemens CELCIUS M/V/R - Manual (Page 57)

System upgrades
A26361-K990-Z120-1-7619, Edition 6 49
Installing the ventilation duct (CELSIUS R5xx)
i
When routing the fan cable, make sure that it is not kinked or pinched.
When fitting the ventilation duct, be careful not to damage the processor cooler(s) on the
mainboard.
1
► Slide the ventilation duct in the direction of the arrow (1) into the casing until the locking
hooks noticeably engage.
► Close the casing (see "Closing the casing").