Agilent Technologies TwisTorr 305 FS Notice De Mode D'emploi page 244

8 Technical Information
Vent Accessories
Then screw the vent valve into the pump and tighten it using a 16 mm hexagonal
spanner with a torque of 2.5 Nm.
Figure 39 The vent kit shown in the picture is the 9699834
Do not overtighten the valve as this may damage the thread on the pump.
CAUTION!
Then connect the cable from the valve to the suitable connector on the controller.
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