142 Maintaining Your GC
7 Maintaining the COC Inlet
6
Loosen the retaining nut just enough so the needle is again
free.
7 Depress the syringe plunger slowly until it pushes the needle
to the end of the barrel, then finger-tighten the retaining nut.
8 Use a solvent to rinse the syringe and check for leaks or
blocks. Leaks may be fixed by further tightening the
retaining nut. Blocks or serious leaks require repeating this
procedure.
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