Oven
6850
6850
Released: April 2004 6850 Series Gas Chromatograph Service Procedures 234
6. Tighten the nut on the restrictor tube 1/2
turn past finger tight. Use two wrenches.
Install the cryo chassis cover
1. Start two screws into the welded nuts from
the bottom. Do not tighten them.
2. Place the slots in the chassis cover under the
screws, add two more screws at the top, and
tighten all four.
Install the coolant filter
Some GC owners have had problems with parti-
cles in the CO
2
supply that clog the cryo valve.
The filter and connector prevent this.
1. Locate the arrows (flow direction) on the
body of the filter. Add the connector to the
exit end of the filter. Assemble the parts as
shown. Tighten the nut.
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