42 400/54 Premium Shielded NMR Magnet System Product Overview
3 Maintenance
Figure 6 Location of nitrogen ports
2 Check that all seals on the helium manifold are correctly
fitted and tight before starting.
Figure 7 Locations of helium manifold seals
3 Set the cryogen monitor for the helium to read on “Fill”
mode. (See monitor manual for instructions.)