Maintenance 3
400/54 Premium Shielded NMR Magnet System Product Overview 47
Figure 14 Side view of the helium siphon inserted into both magnet and
transfer Dewar for a helium transfer
14 When full, take the pressure off the transfer Dewar to
stop the transfer.
15 Refit the helium nonreturn valve to the manifold.
Figure 15 Helium siphon in the transfer Dewar showing it lifted from the
base of the Dewar
16 Inspect the bung and baffle assembly for damage and
ensure that it is warm and dry (no water droplets)
before refitting.
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