Installing GC Columns 2
5977B Series MSD Operation Manual 41
13 Gently check the alignment of the ion source and the interface tip seal.
When the ion source is aligned correctly, the front analyzer chamber can be
closed all the way with no resistance except the spring tension from the
interface tip seal.
14 You can align the ion source and interface tip seal by wiggling the side plate
on its hinge. If the door still will not close, contact your Agilent
Technologies service representative.
15 Close the analyzer chamber door. (See “To Close the Analyzer Chamber” on
page 125.)
GCMS transfer line tip seals
CAUTION
Forcing the analyzer door closed if these parts are misaligned will damage the seal or
the interface or the ion source, or will keep the sideplate from sealing.
Table 6 EI GCMS interface transfer line tip seal for extractor ion sources
Model 5977A 5977B
Tip seal G3870-20542 G3870-20542
Spring G7005-20024 G1999-20023
Tip cap G3870-20543 G3870-20547
Tip base ------------------ G3870-20548
Table 7 CI GCMS transfer line tip seals for CI and extraction ion sources
Model 5975 5977A 5977B
Tip seal G1099-60412 G1999-60412 G1999-60412
Tip cap ----------------- G3870-20543 G3870-20547
Tip base ----------------- ------------------ G3870-20548
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