AS Autosampler Operator’s Manual
166 Doc. 065051-03 1/08
5. To verify that the syringe drive shaft is in the correct position, fill a syringe
with deionized water and insert it into port D on the valve. Push liquid
through the port and verify that it exits through port C.
6. Each valve port must contain a white Teflon washer. Check the inside of each
port and insert a washer (P/N 061315), if one is not already present. The
washers are supplied with the valve and with the
AS Preventive Maintenance
Kit (P/N 060581).
7. Holding the syringe at the top fitting, screw it into the bottom of the valve at
port D and tighten fingertight.
8. With valve ports A and D at the 12 o’clock and 6 o’clock positions,
respectively, push the valve onto the syringe drive shaft.
9. Replace the two valve thumbscrews and partially tighten.
10. Carefully align the syringe piston with the connecting screw mount on the
syringe drive.
11. Insert the syringe drive connecting screw and tighten fingertight. Finish
tightening the valve thumb screws.
12. Reconnect the valve liquid lines. Tighten the fittings fingertight.
13. On the
MENU of SCREENS, press 5 and 3 to go to the PLUMBING
CONFIGURATION
screen. Set the initial position (see Section 5.3.4).
14. On the
PLUMBING CONFIGURATION screen, move the cursor to the SAMPLE
SYRINGE VOLUME field. Press Select Δ or Select ∇ to select the syringe
volume. Press
Enter.
If a fitting leaks after operation is resumed, tighten it slightly. Do not
overtighten; overtightening can damage the inside of the valve.
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