7
Maintaining the COC Inlet
124
Loosen the retaining nut just enough so the needle is
6
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.
Maintaining Your GC