Installation Guide
Correcting Syringe Problems
24
Correcting Syringe Problems
WAR NI NG When troubleshooting the injector, keep your hands away from the syringe
needle. The needle is sharp and may contain hazardous chemicals.
Several things can cause syringe needles to bend. When you find one, check for
the following conditions before installing a replacement.
❐ Was the syringe installed properly in the syringe carriage?
❒ Are you using the correct syringe? Is the combined length of the syringe
barrel and needle about 126.5 mm? For more information, see your
Operation Guide and your Sampling Techniques Handbook.
❒ Are the needle support and needle guide cone clean? Remove any residue
or septum deposits. For more information, see Maintenance on page 15.
❒ Is the correct insert for your syringe installed in the cool on-column inlet?
For more information, see your GC Operation Manual.
❒ Is the GC septum nut too tight? For more information, see your GC
Operation Manual.
❒ Is the septum of the crimp cap centered over the sample vial? For more
information, see your Sampling Techniques Handbook.
❒ Are the inside diameters of the sample vial, microvial insert, and vial cap
septum at least 5 mm? For more information, see your Operation Guide.
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