Waters Xevo TQD, Operator'S, Overview And Maintenance Manual

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4-94 Maintenance Procedures
4. Dispose of all the seals in accordance with local environmental
regulations.
Fitting the new source enclosure and probe adjuster assembly
seals
Required materials
• Chemical-resistant, powder-free gloves
• Wash bottle containing HPLC-grade (or better) 1:1 methanol/water
• New seals
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, and then working around the seal in a counterclockwise
direction.
3. Fit the following new seals to the source enclosure:
• Nebulizer gas seal
Warning:
The seals can be contaminated with biohazardous
and/or toxic materials. Dispose of them according to local
environmental regulations.
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.