Waters Xevo TQ MS Operator And Maintenance Manual page 106

3. Fit the O-rings to the PEEK ion block support. Fit new O-rings if any of
the old O-rings were disposed of.
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.
4. Fit the PEEK ion block support to the instrument's housing.
5. Use the 3-mm Allen wrench to fit and tighten the 4 PEEK ion block
support securing screws.
Look through the PEEK ion block support as you tighten the
Tip:
securing screws. Ensure that the hexapole springs do not buckle and
touch a hexapole rod.
6. Fit the ion block assembly to the PEEK ion block support (see
the source hexapole assembly" on page
4-58 Maintenance Procedures
To ensure correct operation of the instrument, the
Caution:
hexapole springs must not touch a hexapole rod.
Hexapole spring
Hexapole rod
4-53).
"Cleaning