Replacing The Esi Probe Tip And Gasket; Removing The Esi Probe Tip And Gasket - Waters Xevo TQ-S Operator's, Overview And Maintenance Manual

To fit the PEEK ion block support to the source:
Warning:
biohazardous and/or toxic materials. Always wear
chemical-resistant, powder-free gloves while performing this
procedure.
1. Ensure that the grooves for the PEEK ion block support O-rings are free
from dirt and debris.
If contamination is present, use 1:1 methanol/water, applied to a
Tip:
lint-free cloth, to carefully clean the grooves.
2. Fit the O-rings (new ones if you disposed of the old) to the PEEK ion
block support.
To fit an O-ring in its groove, start fitting the O-ring at the notch in
Tip:
the groove, and then progressively work the ring into the groove, in
either direction from the notch.
3. Fit the PEEK ion block support to the instrument's housing.
4. Use the 3-mm Allen wrench to fit and tighten the 4 PEEK ion block
support securing screws.
5. Fit the ion block assembly to the PEEK ion block support (see
page 4-51).
6. Fit the source enclosure to the instrument (see

Replacing the ESI probe tip and gasket

Replace the ESI probe tip if a blockage occurs in the internal metal sheathing
through which the stainless steel capillary passes or if the probe tip is
damaged.

Removing the ESI probe tip and gasket

Required materials
• Chemical-resistant, powder-free gloves
• 7-mm wrench
• 10-mm wrench
The source components can be contaminated with
Replacing the ESI probe tip and gasket
page 4-9).
4-71