Metrohm NIRS Analyzer PRO - Manual (Page 30)

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16. Be sure the black o-ring is installed into
the groove on the sealing ring as
shown.
17. Thread the gland nut and hand-tighten.
18. Using the same 22 mm wrench, tighten
the gland nut to compress the seal
properly. Do not crush the cable. When
tight, the cable should not “give” when
tugged slightly.
19. Tie-wrap the new cable to the Ethernet
cable internally, to secure it from
moving under vibration. Cut off the
loose end.