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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.
Released: April 2004
Install the coolant filter
Some GC owners have had problems with parti-
cles in the CO
The filter and connector prevent this.
1. Locate the arrows (flow direction) on the
6850 Series Gas Chromatograph Service Procedures
supply that clog the cryo valve.
2
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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