
210 BD FACSAria II User’s Guide
6 Insert the pilot tubing into its fitting at the top of the flow cell, ensuring
that the tubing reaches the intended pilot depths.
7 Finger-tighten the nut at the top of the flow cell to secure the sample line.
8 Check the fitting connections at both ends to make sure they are not
leaking.
Turn on the stream, load a tube of DI water, and make sure none of the
fittings are leaking. If needed, unload the tube, turn off the stream, and
tighten the fittings. After tightening, if leaking still occurs, replace the
ferrule.
Within the cuvette flow cell fitting, make sure the pilot is seated flush
against the pilot depth. Dead volume between the pilot and the pilot depth
can lead to sample carryover or leaking.
Do not overtighten the nut and do not use tools. Over-tightening the nut
can kink or damage the tubing.
Make sure all fittings are securely tightened. If any fitting is loose, the
tubing could detach during high-pressure operation, exposing the
operator to potentially biohazardous sample spray.
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