GD-70D - 34 -
4-7 Making Tubing Connections
NOTE
To use the pyrolyzer unit (PLU-70), also refer to the individual operating manual.
1. The tube nut, ferrule, and tubing insert are shipped uninstalled and the open GAS IN and GAS OUT
fittings are plugged with protective rubber caps. Remove the rubber caps from the GAS IN and GAS
OUT fittings.
2. Install a short piece of 4 mm x 6 mm Teflon tubing to the GAS IN fitting as shown below. Be sure the
tubing insert, ferrule, and nut are installed properly.
3. Connect the dust filter to the tubing.
4. Install another piece of 4 mm x 6 mm Teflon tubing to the other end of the dust filter and route it to the
sample area.
5. Attach 4 mm x 6 mm Teflon tubing to the GAS OUT fitting and route it to a safe area. Be sure to use
the tubing insert, ferrule, and nut as shown above.
4 mm x 6 mm
Teflon Tubing
Nut
Tubing Insert
Ferrule
Dust Filter
Gas Inlet
To Sample Area
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