Agilent Technologies 6850 Series Service Information page 124

8. If the leaky component is serviceable, such
as a vent/inlet fitting (see diagram of ser-
viceable parts, Figure 1-49.), replace it.
Otherwise, replace the EPC module.
Figure 1-46. EPC module serviceable parts
Released: April 2004 6850 Series Gas Chromatograph Service Procedures 124