Waters SYNAPT G2 Operator's, Overview And Maintenance Manual page 76

2. Carefully remove the capillary from its case by lifting it vertically while
pressing down on the foam with two fingers.
3. Over the square-cut end of the capillary, pass first the knurled nut, then
approximately 5 mm of conductive elastomer, and finally the union.
Union
4. Finger tighten the nut onto the union.
5. Ensure that the tip of the glass capillary protrudes about 7 mm from the
front of the knurled nut, as measured from the end of the nut to the
shoulder of the glass capillary, and then full tighten the nut onto the
union.
Glass capillary
6. Load sample into the capillary using either a fused silica syringe needle
or a GELoader tip.
Shake the loaded capillary to move the liquid to the tip of the
Tip:
sprayer.
7. With the sprayer mounted on the adjuster platform, screw the union
back into the assembly; finger-tight is sufficient.
8. In the MassLynx Tune window ensure the Capillary parameter is set to
0 V.
9. Push the sprayer platform into the source (see
4-10 Configuring the NanoLockSpray source
Knurled nut
Elastomer
Union Knurled nut
7 mm
Glass capillary
page 4-5).