4 Maintenance Procedures
144
March 14, 2014, 715004387 Rev. B
Fitting the differential aperture to the ion guide assembly
Required materials
•
Clean, chemical-resistant, powder-free gloves
•
Small, flat-blade screwdriver
To fit the differential aperture onto the ion guide assembly:
1. Hold the differential aperture against the support rods so that the rods
align with the 3 holes in the differential aperture’s base.
2. To ensure the differential aperture aligns correctly with the ion guide
assembly, sight along the central axis of the ion guide, from the ion entry
side, and confirm that the hole at the centre of the differential aperture
is concentric with lens plates of the ion guide.
3. Use the small flat-blade screwdriver to fit and tighten the 3 slotted
screws that secure the differential aperture to the support rods.
Requirement:
While tightening the screws, ensure that the differential
aperture aligns correctly with the lens plates of the ion guide (see
Notice:
To avoid a reduction in sensitivity, ensure that the
differential aperture aligns correctly with the ion guide during
refitting.
Содержание Xevo TQD
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Страница 56: ...2 Preparing for Operation 56 March 14 2014 715004387 Rev B...
Страница 200: ...4 Maintenance Procedures 200 March 14 2014 715004387 Rev B...
Страница 216: ...A Safety Advisories 216 March 14 2014 715004387 Rev B...
Страница 242: ...B External Connections 242 March 14 2014 715004387 Rev B...
Страница 246: ...C Materials of Construction and Compliant Solvents 246 March 14 2014 715004387 Rev B...