Maintaining the PTV Inlet 9
Maintaining Your GC 161
To Replace the Septumless Head PTFE Ferrule on the PTV Inlet
1 Gather the following:
• Syringe with 23- gauge needle (See “Consumables and
Parts for the PTV Inlet” on page 152.)
• Replacement PTFE ferrule
2 Load the inlet maintenance method and wait for the GC
to become ready.
3 Unscrew the guide cap from the septumless head and
remove the PTFE ferrule.
4 Push the guide cap and replacement ferrule over the
syringe needle so that at least 10 mm of the needle tip is
exposed.
5 Guide the end of the needle into the septumless head
until the ferrule meets the septumless head.
6 Loosely install the guide cap.
7 If not configured, configure the column.
8 Put the inlet into Splitless mode.
9 Set the column flow to 5 mL/min and the purge flow to
60 mL/min.
Be careful! The oven and/or inlet may be hot enough to cause
burns. If either is hot, wear heat-resistant gloves to protect your
hands.
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