Agilent Technologies 6890 Series Service Manual page 155

240 Programmed Temperature Vaporization Inlet (PTV)
Leak testing the PTV module only
On the inlet
• Septum (septum head only)
• Lower inlet seal at bottom of inlet
• Ferrule on inlet liner
• Connections for carrier gas, septum purge (septum head only)
At EPC module
• O-rings behind the block where the inlet's pneumatic lines enter the
module
• Two O-rings for each valve
• Septum purge cap (septum head only)
• Chemical trap O-rings
• O-rings in gang fitting
46 of 46
Inlets
Agilent 6890 Gas Chromatograph Service Manual
Jun 2001