Waters ACQUITY UPLC Overview And Maintenance Manual page 102

Figure 3–55: Access panel captive screws
Captive screws (2)
6. Dampen a nonabrasive, lint-free wipe with LC/MS-grade water and use it to clean the
areas of the injection port shaded in the image below.
Figure 3–56: Injection port areas to clean
7. In the console, select the sample manager, and then click Maintain > Replace
components > Needle.
Result:
Doing so invokes a wizard that moves the sample-needle assembly to an
accessible position.
8. Place a nonabrasive, lint-free wipe underneath the needle carriage.
9. Spray the needle tip and needle guide with LC/MS-grade water to wash off any deposits.
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June 11, 2019, 715005051 Rev. D
Page 102