Waters ACQUITY Isocratic Solvent Manager Overview And Maintenance Manual page 122

3 Maintenance Procedures
14. Reattach the low-pressure filter holder to the primary check valve and
finger-tighten it to the extent possible.
Primary check valve inlet
Low-pressure filter holder
15. Return the solvent bottles to their original location.
16. Prime the ISM (see
17. Perform the ISM leak test (see the Instrument console online Help).
If the leak test results are not satisfactory, pressurize the head plunger seals
to properly seat them.
To pressurize the seals:
Run the ISM at 96,527 kPa (965 bar, 14,000 psi) for a half-hour, or run
the leak test until results are satisfactory.
122 September 26, 2013, 715004208 Rev. A
page 67).