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4
General Maintenance
To Bakeout the Column Flow Path
This procedure is used to bakeout contaminants in the inlet, guard column,
and LTM column module.
Materials needed
• Gloves, clean, lint-free
• Pliers, long-nose (8710-1094)
• Guard column
• Column nut (5020-8292)
• Ferrules (Vespel)
Procedure
1 Load your maintenance method for cooling down the column enclosure. See
Be careful! The guard column heated enclosure or internal accessories may be hot
WA R N I N G
enough to cause burns. If either is hot, wear heat-resistant gloves to protect your
hands or allow the parts to cool before beginning the work.
Always wear safety glasses when handling capillary columns. Use care to avoid
WA R N I N G
puncturing your skin with the end of the column.
Wear clean, lint-free gloves to prevent contamination of the parts.
C A U T I O N
2 Vent the instrument. See
128
•
Large (8650-0030)
•
Small (8650-0029)
•
0.40-mm id, for 0.25-mm id columns (5181-3323)
•
0.5-mm id, for 0.32-mm id columns (5062-3514)
"Column maintenance method"
on page 120.
"Venting the MSD"
on page 75.
5975T LTM GC/MSD Operation Manual
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