Agilent Technologies TwisTorr 74 FS Notice De Mode D'emploi page 338

17 Technical Information
Connection of the High Vacuum Flange
Attach the units and tighten each screw in turn. Repeat the
sequential tightening until the flange faces meet. Tighten the screws
with a torque of 20 Nm.
For ConFlat flange connections we recommend using Agilent
hardware.
To facilitate assembly and dismantling, apply Felpro C-100 high
temperature lubricant to the screw threads protruding from the
flange and between the nuts and flange.
Note that, in some cases, the connections can be made only with the
bolt in the lower side.
Exercise care when tightening nuts and bolts to avoid creating dents in the
CAUTION!
envelope as this may cause the pump rotor to lock.
How to install the turbo pump without the mounting kit X3502-
68007:
Figure 46 I Installation for CFF 4,5"
338/352
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Contra flange has threaded holes, fixing screws must be
inserted from the bottom flange (screws longer than 30 mm
can not be used). It is possible to order special wrench
screws: metric X3502-68008 or American screws X3502-
68009.
TwisTorr 74 FS User Manual / 87-901-053-01 (A.00)