Agilent Technologies TwisTorr 804 FS Mode D'emploi page 312

17 Technical Information
Air Cooling Kit Installation TwisTorr 804 FS with TMP Rack Controller
To fix the fan to the pump bottom;
1
2
3
Figure 43
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power input: 4.6 W

dimensions: 127 x 127 x 38 mm (5 x 5 x 1.5 in.)

Position it ensuring that the the two slotted-holes in the sheet
plate are aligned with the 2 holes in the pump base shown in the
image 43.
Then insert the respective washers and screws and tighten with
the supplied allen key.
Connect the fan to the controller.
TwisTorr 804 FS User Manual / 87-901-052-01