APPI/APCI source—replacing the APPI lamp drive seals 4-115
Fitting the new APPI lamp drive assembly O-rings
Required materials
•
Chemical-resistant, powder-free gloves
•
3-mm Allen wrench
•
Small Phillips (cross-head) screwdriver
•
Small Pozidrive screwdriver
•
1:1 methanol/water
•
Lint-free cloth
To fit the new APPI lamp drive assembly O-rings:
1. Ensure that all the grooves for the O-rings are free from dirt and hair.
Tips:
•
If contamination is present, use 1:1 methanol/water, applied to the
lint-free cloth, to carefully clean the grooves.
•
For the asymmetric O-ring seals, first seat the O-ring in the small
radius at the bottom of the groove. Then use a suitable tool, one with
a circular cross-section, to “roll” the remainder of the O-ring into the
groove.
2. Fit the lamp bulb sealing O-ring in the lamp aperture.
3. Fit the two new O-rings inside the lamp mounting flange.
4. Fit the new lamp mounting flange O-ring to the APPI source enclosure
side.
Warning:
The lamp drive assembly components can be con-
taminated with biohazardous and/or toxic materials. Always
wear chemical-resistant, powder-free gloves while perform-
ing this procedure.
Caution:
Take care not to damage the APPI lamp drive assembly
O-rings when fitting them. Small nicks, tears, dirt, and dust can
compromise their performance, leading to rapid deterioration in
the assembly’s operation.
Summary of Contents for Xevo TQD
Page 12: ...xii...
Page 20: ...xx Table of Contents...
Page 23: ...Uses and compatibility 1 3 Xevo TQD TP03406...
Page 24: ...1 4 Specifications and Operating Modes Xevo TQD with visor up TP03407...
Page 42: ...1 22 Specifications and Operating Modes...
Page 52: ...2 10 Preparing for Operation...
Page 76: ...3 24 Changing the Mode of Operation...
Page 194: ...4 118 Maintenance Procedures...
Page 208: ...A 14 Safety Advisories...
Page 234: ...B 26 External Connections...
Page 238: ...C 4 Materials of Construction and Compliant Solvents...
Page 250: ...Index 8...