172 Maintaining Your GC
9 Maintaining the PTV Inlet
To Replace the Filter in the Split Vent Line for the PTV Inlet
1 Gather the following:
• New filter cartridge. (See “Consumables and Parts for
the PTV Inlet” on page 152.)
• T- 20 Torx screwdriver
2 Load the inlet maintenance method and wait for the GC
to become ready.
3 Remove the pneumatics cover (top, back of GC).
4 Remove the retaining clip.
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.
The split vent trap may contain residual amounts of any samples
or other chemicals you have injected into the GC. Follow your
company’s safety procedures for handling these types of
substances while replacing the trap filter cartridge.
Split vent valve
Split vent trap
Retaining clip
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