Care and maintenance
70
Edition 01/2014
contrAA 600
11. In the area
Dipping arm
in the list field
Depth
lower the autosampler arm into the wash
cup with the arrow keys (approx. 40 mm). When entering the value directly into the list
field, click the arrow keys once again!
12. Use the
[Dispense]
button to empty the dosing tube into the wash cup.
13. Start 5 wash cycles. (Click the
[Wash]
button 5 times.)
Shortening the dosing tube of the AS-GF
1.
Loosen the clamp nut at the tube guide (6 in Fig. 41) and remove the dosing tube by
pulling upwards.
2.
Cut the dosing tube with a razor blade or a scalpel at an angle of 10° to 15°.
3.
Push the dosing tube as far as possible into the tube guide until the dosing tube pro-
trudes by approx. 8 mm at the bottom.
4.
Lock the dosing tube with the clamp nut.
5.
Readjust the injection depth of the sample (
→
section "Adjusting the AS-GF" p. 46).
Replacing the dosing tube of the AS-GF
1.
Loosen the clamp nut at the tube guide (6 in Fig. 41) and pull out the tube. Remove the
tube from the tube holders at the sample arm and the back of the autosampler (1 and 3
in Fig. 41).
2.
Detach the screw top from the T valve of the dosing unit (4 in Fig. 41).
3.
Screw the new dosing tube to the valve and feed it through the tube holders.
4.
Push the dosing tube into the tube guide until it protrudes 8 mm at the bottom, lock with
the clamp nut.
5.
Readjust the injection depth of the sample (
→
section "Adjusting the AS-GF" p. 46).
