Waters Xevo G2 QTof, Operator'S, Overview And Maintenance Manual, Page: 177 / 248

Replacing the LockSpray source’s assembly seals 5-101
To fit the new source enclosure and probe adjuster assembly probe seals:
1. Ensure that all the grooves for seals are free from dirt and debris.
Tip:
If contamination is present, use 1:1 methanol/water, applied to a
lint-free cloth, to carefully clean the grooves.
2. Fit the new source enclosure seal to the source enclosure.
Tip:
Start by feeding the seal into the groove at the bottom right-hand
corner, then work around the seal in the counterclockwise direction.
3. Fit the following new seals to the source enclosure:
• Nebulizer gas seal
• Desolvation gas seal
Requirement:
These seals have a special cross-section; fit them in the
groove as shown.
4. Fit the following new seals to the probe adjuster assembly:
• Probe seal
• Nebulizer gas seal
5. Fit the source enclosure to the instrument (see page 5-10 ).
Warning:
The source components can be contaminated with
biohazardous and/or toxic materials. Always wear
chemical-resistant, powder-free gloves while performing this
procedure.
Caution:
Ensure that the tails of the source enclosure seals are
correctly located in the groove when fitting them to the source
enclosure.
Groove
Seal