Waters Xevo TQ MS Operator's, Overview And Maintenance Manual page 152

4 Maintenance Procedures
5. Use the 10-mm wrench to remove the probe tip.
If the probe tip is difficult to remove, use the 7-mm wrench in
Tip:
conjunction with the 10-mm wrench.
152 February 11, 2013, 71500130002 Rev. D
Probe tip
7-mm wrench
10-mm wrench
10-mm wrench
Probe tip