3.5
Installing the Flexible Pressure Lines
Use flexlines from Oerlikon Leybold Vacuum only.
Replace any damaged flexlines.
Working instructions for self-sealing screw fittings
The interconnecting cables and elements possess self-sealing screw fittings.
The connections can be opened and closed without helium escaping.
Remove the protective caps from the screw fittings.
Keep the protective caps in a safe place.
Check all connections for dust and dirt particles and clean them as
necessary using a clean, lint-free cloth or a soft, clean brush.
Do not use solvents to clean the connections! The connections must not be
greased or oiled.
Check the correct fit of the flat gaskets in the screwed fittings with external
thread. Replace missing or damaged gaskets.
To mount the pressure lines, only use the supplied fork wrenches or fork
wrenches approved by Oerlikon Leybold Vacuum.
Only connect or disconnect pressure lines if the compressor unit is turned off
and the pressure is below 28 bar.
Do not twist the pressure lines.
When fixing the screw fittings, use one wrench for tightening and a second
wrench for countering; see Figs. 5 and 6.
Installation
20
GA12119_002_A3 - 01/2012 - © Oerlikon Leybold Vacuum
CAUTION
Stabilizing wrench
Wrench for tightening
Fig. 5 Mounting the self-sealing couplings
