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2
Installing LTM Columns
To Attach the Guard Columns to the LTM CFT Unions
This procedure is used to attach the inlet and MSD guard columns to the CFT
Ultimate Unions on the LTM. See
Materials needed
• Column cutter, ceramic (5181-8836) or diamond (5183-4620)
• Ferrules (SilTite)
• Hand lens (magnifying loupe)
• Gloves, clean
• Internal column nut (G2855-20530)
• Safety glasses
• Wrench, open-end, 1/4-inch and 5/16-inch (8710-0510)
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.
Wear clean, lint-free gloves to prevent contamination of the parts.
C A U T I O N
2 Pass the column end through the internal nut and SilTite ferrule leaving
52
•
0.3-mm id, for < 0.25 mm id column (5188-5361)
•
0.4-mm id, for < 0.32 mm id column (5188-5362)
•
Large (8650-0030)
•
Small (8650-0029)
"Column maintenance method"
approximately 1 cm of fused silica column protruding beyond the ferrule.
Figure
3.
on page 120.
5975T LTM GC/MSD Operation Manual
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