7 Maintenance
204 July 29, 2013, 715003794 Rev. B
• Vial of needle-wash solvent being used or alternatively 100% alcohol
(methanol or isopropanol)
• Replacement one-piece needle-wash frit
Tip: Immerse the replacement frit for several minutes in the vial of the
needle-wash solvent being used, or alternatively in alcohol before beginning
the replacement procedure.
To replace the lower frit:
1. Open the sample carousel door, as shown below in the figure.
2. Remove all carousels that restrict access to the lower retainer.
Tip: Use the Door is Open dialog box to move the carousel carrier to the
“A” position. See “Load carousels” on page 111 for details.
3. Power-off the separations module, and disconnect it from the electrical
outlet.
4. Find the lower frit retainer, which is inside the sample compartment on
the top right side, approximately 4 inches within the cavity.
Locate the lower frit retainer:
Internal sample compartment cavity
(viewed from front left-side of door)
Lower
frit
retainer
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