48 400/54 Premium Shielded NMR Magnet System Product Overview
3 Maintenance
17
Remove the siphon and adapter, and replace the bung
and baffle assembly, tightening the nut to form a good
compression seal. If the baffles appear to be damaged
such that they are broken or cannot be restraightened,
then consider a replacement set. You can order a
replacement set using the parts order form in “Parts List
and Order Form” on page 50. The use of damaged baffles
(or omitting the baffles completely) can result in reduced
performance of the system.
Figure 16 Replacing bung and baffle assembly
18 Remember to change the helium probe reading back to
“normal” again.
19 Once the turret and top- hat assembly is warmed up after
the fill, recheck the o- ring seal and retighten if
necessary.
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