
4
Installing 7890 GC Columns
To Install the GC/MS Interface Tip Seal
7000/7010 Series TQ GC/MS Operating Manual
89
To Install the GC/MS Interface Tip Seal
Materials needed
•
Interface tip seal (G3870-20542)
•
Tip seal spring (G7005-20024)
•
Knurled tip seal retainer (G3870-20547)
•
Gloves, clean, lint-free (Large 8650-0030) (Small 8650-0029)
The interface tip seal must be in place for the CI source, the EI XTR source,
and HES.
Procedure
1
Verify that the CI source, EI XTR source, or HES is installed. (See
page 90.)
2
Remove the interface tip seal, spring, and knurled tip seal retainer from the
ion source storage box. In this order, slide the spring, tip seal, and knurled tip
seal retainer over the column sleeve.
3
Thread the knurled tip seal retainer into the tip seal holder finger tight.
CAUTION
Electrostatic discharges to analyzer components are conducted to the side
board where they can damage sensitive components. Wear a grounded
antistatic wrist strap, and take other antistatic precautions
before
you open the
analyzer chamber.
CAUTION
Always wear clean gloves while handling any parts that go inside the GC or the
analyzer chambers.