Maintain the sample management system
July 29, 2013, 715003794 Rev. B 205
5. Unscrew the lower frit retainer by hand.
6. Remove the frit from the retainer by inserting a small-diameter pick (or
paper clip) through the hole in the retainer cap, and discard it.
7. Install the new frit, which has been immersed and wetted; seat it in the
retainer.
8. Reinstall the lower retainer using a clockwise motion, tightening it by
hand until it seats.
9. Reconnect the separations module to the electrical outlet, and power-on
the unit.
10. Reinstall the sample carousels, and close the sample carousel door.
11. Prime the needle-wash pump (see “Prime the needle-wash pump” on
page 109).
Replace the syringe
Tip: For information about isolating problems in the sample management
system, see Chapter 8.
Replace the syringe when these conditions apply:
• The plunger tip becomes worn
• You want to change to the optional 25-µL or 2500-µL syringe size
Tip: To ensure accurate results, use only syringes approved by Waters for use
in the sample management system. See Appendix C for a listing of
Waters-approved syringes.
Required material
Replacement syringe
To remove the syringe:
1. Set the flow rate to 0.000 mL/min.
2. Open the syringe compartment door.
3. Remove the knurled nut that holds the syringe barrel to the syringe
mounting bracket.
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