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226 Operation Manual
Preparing the Interface for Direct Sample Introduction
Before you can operate your interface in direct mode, you must:
• Disconnect the split vent line
• Configure the GC for a direct injection
Disconnecting the split vent line
Be careful! The interface may be hot enough to cause burns.
1 Turn off the interface temperature and pressure and allow the interface to cool.
2 If desired, remove the transfer line by loosening the hex nut with a wrench.
3 Remove the clamping plate from the interface by loosening the captive screw with a
screwdriver. Put the plate in a safe place.
4 Carefully lift the interface out of the heater block.
5 Loosen the hex nut connecting the split vent line to the interface until you can remove the
line. Put the line aside. You do not need to plug it.
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