5. Disconnect the sampling valve from the inlet
at valve port 1. Cap the line to the inlet using
the tube cap from the direct-tube assembly.
Install the direct-to-column line
1. Open the lid and disconnect the column from
the inlet. Plug the inlet column fitting with a
no-hole ferrule and column nut.
Caution
Do not use the 1/16-inch direct-tube assem-
bly supplied in this kit to punch the hole
through the insulation unless the protective
cap is on. If left unprotected, insulation will
be trapped in the tubing!
Released: April 2004
2. Locate the small through hole in the oven lid
Figure 1-18. Location of oven lid through
6850 Series Gas Chromatograph Service Procedures
between the purged packed inlet and the
valve box. There is a corresponding hole in
the bottom of the oven lid, behind the inlet.
Using a spare 1/16-inch tube, a wire, or a
thin screwdriver, clear the insulation from
this hole. See
Figure
1-18.
(Liquid sampling valve shown)
hole
Oven lid
through
hole
73