AS Autosampler Operator’s Manual
168 Doc. 065051-03 1/08
about 1.5 cm into the port. If the drive shaft position is incorrect, you will not
be able to insert the paper clip more than about 1 cm into the port. In this case,
rotate the valve 180 degrees and recheck the position.
5. 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 syringe valve and with the
AS Preventive
Maintenance Kit (P/N 060581).
6. Holding the syringe at the top fitting, screw it into the bottom of the valve at
port S and tighten fingertight.
7. With valve ports L and B at the 12 o’clock position and the syringe at the
6 o’clock position, push the valve onto the syringe drive shaft.
8. Replace the two valve thumbscrews and partially tighten.
9. Carefully align the syringe piston with the connecting screw mount on the
syringe drive.
10. Insert the syringe drive connecting screw and tighten fingertight. Finish
tightening the valve thumbscrews.
11. Reconnect the valve liquid lines. Tighten the fittings fingertight.
12. 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).
13. On the
PLUMBING CONFIGURATION screen, move the cursor to the PREP
SYRINGE VOLUME field. Press Select Δ or Select ∇ to select the syringe
volume. Press
Enter.
If a fitting leaks when operation is resumed, tighten it slightly. Do not
overtighten. Overtightening can damage the inside of the valve.
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