Metrohm NIRS XDS Process Analyzer – SingleFiber - Manual (Page 39)

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2. Install the O-ring onto the lower part of
the ferrule as shown. Do not twist or
distort the O-ring, or it may not seal
properly.
3. Install the rounded nut over the SMA
connector and push it back onto the
fiber.
4. Install the rubber sealing boot over the
SMA connector as shown. Push it back
over the fiber.
5. Insert the Single Fiber, SMA end first,
through the ferrule as shown.
6. Carefully slide the black sealing boot into
the slotted area of the ferrule.
Gently thread the rounded nut onto the
ferrule. Turn only one or two turns. Do
not tighten.