Agilent Technologies 6850 GC, Install Manual, Page: 14 / 20

14 Installing Sampling Valves
Installing Sampling Valves on an Agilent 6850 Gas Chromatograph
7 Connect the plumbing. a Capillary inlet only.
•
Place the valve insert weldment
attached to the valve box on the
inlet and tighten the large nut.
b Packed inlet only.
•
Place the new inlet attached to the
valve box in the opening where the
old one was. Secure the inlet with
three screws.
•
Slide the insulation and insulation
cup up over the inlet fitting and
secure it to the oven top.
8 Connect the valve box
heater/sensor cable. a Locate the connector marked A on the
main wiring harness.
b Connect the valve box heater/sensor
cable.
9 Complete the inlet installation. a Capillary inlet only.
•
Reassemble the split vent trap
using the trap fitting attached to
the valve box.
•
Secure the split vent trap bracket
and the trap.
b Packed inlet only.
•
Connect the inlet heater/sensor
cable where the original inlet cable
was connected.
Table 3 Installing a sampling valve (continued)
Step Action Notes
Connector A