216 Maintaining Your GC
11 Maintaining the NPD
To Install a Capillary Column in the NPD
1 Gather the following materials:
• Column
• Ferrule(s) (See “Consumables and Parts for the NPD” on 
page 208.)
• Column nut
• Column cutter
• 1/4-inch open-end wrench
• Septum
• Isopropanol
• Lab tissue
• Lint-free gloves
2 Load the GC maintenance method and wait for the GC to 
become ready.
If using the adaptable detector, verify that the adapter is 
installed. (See “To Attach a Capillary Column Adapter on an 
Adaptable NPD” on page 214.)
WARNING
Be careful! The oven, inlet, and/or detector may be hot enough to 
cause burns. If the oven, inlet, or detector is hot, wear 
heat-resistant gloves to protect your hands.
WARNING
Wear safety glasses to protect your eyes from flying particles 
while handling, cutting, or installing glass or fused silica capillary 
columns. Use care in handling these columns to prevent puncture 
wounds.
Capillary optimized fitting
Adaptable fitting