Agilent Technologies 6890 Series Service Manual page 183

250 Volatiles Interface
Leak testing the EPC module only
appropriate connector on the EPC board. Reconnect the gas supply and
turn on the main power switch. Set the pressure to 25 psi and the flow
to 60 mL/min.
7. Lay the EPC module on the lab bench and use an electronic leak detector
to locate the leaky component on the module.
Figure 250-18
8. If the leaky component is serviceable, such as a vent/inlet fitting (see
diagram of serviceable parts, Figure 250-19), replace it. Otherwise,
replace the EPC module.
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Leak testing the EPC module on the lab bench
Inlets
Agilent 6890 Gas Chromatograph Service Manual
Jun 2001