Agilent Technologies 6890 Series Service Manual page 417

420 Oven and Temperature Control
Cryo valve installation/replacement
Figure 420-1
5. Plumb the valve to the liquid nitrogen or carbon dioxide source.
6. Plug the cryo valve's wiring harness into the five pin connector to the
left of the valve.
7. Route the cryo tubing through the cutout in the GC's side cover and
reinstall the cover.
If a manual inlet carrier is installed, route the cryo tubing out of the slot
in the back of the carrier.
6 of 20
Cryo wiring harness
Attaching the valve box to the side of the GC (CO
Mainframe
Agilent 6890 Gas Chromatograph Service Manual
valve shown)
2
Jun 2001