Care and maintenance
contrAA 600
Edition 01/2014
67
7.6
Autosampler AS-GF
The following maintenance work must be performed on the AS-GF:
Remove any contamination from the sample tray and the casing with a dry cloth on a
daily basis.
Wash, service, replace the dosing tube.
Clean, after a wash or mixing cup has overflowed.
7.6.1
Washing the dosing tube
The dosing tube must be washed prior to and after work. Washing solution is taken from the
storage bottle, pumped via the dosing syringe into the dosing tube and dispensed into the
wash cup.
1.
Switch on the contrAA 600 and start the ASpect CS software.
2.
In ASpect CS open the window
Autosampler
with
.
3.
Use the
[Wash]
button to start the wash cycle.
Note:
If the dosing tube is not immersed properly into the wash cup during washing, the
autosampler must be realigned in the wash position.
4.
In the window
Function tests
enable the button
[Adjust autosampler]
.
In the area
Alignment position
enable the option
Wash position
. In the area
Align-
ment Wash position
enter the immersion depth in the list field (approx. 40 mm). Cor-
rect the alignment of the swivel arm with the arrow keys. Save the configurations and
exit the window.
Caution: When opening the window
[Adjust sampler]
again, a value of
13 mm
is
shown under
Depth
, not the stored value.
5.
The wash cycle can be repeated several times if required.
The wash cycle can be defined in the method and thus performed automatically prior to
and after the measurement.
IMPORTANT
If a method is active, pressing the
[Wash]
button in the
Autosampler
window results in the
processing of the number of Wash cycles set the method.
