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Tip:
It is normal for the ion guide assembly to have some freedom to move when
assembled correctly.
6.
Carefully slide the pumping block and ion guide assembly into the instrument’s source
housing.
Tip:
To correctly orientate the pumping block, ensure that the ion guide remains visible at
the left-hand edge of the pumping block’s front face.
Figure 3–14: Orientating the pumping block
Ion guide
Pumping block
Alignment marks
7.
Secure the pumping block to the instrument using the 4 pumping block securing screws,
and then tighten them using the 2.5-mm hex wrench.
June 15, 2017, 715003956 Rev. F
Page 48