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To flush the rinse station and flow path, complete the following steps:
Insert the rinse uptake tubing into a deionized water source.
1
NOTE
If you are flushing the rinse system during initial startup, first use a 2% nitric
acid solution as the rinse agent, followed by deionized water.
Run the rinse solution through the rinse station and flow path for 5 to 10
minutes.
2
Once you flush the rinse system, you can proceed with the sampling sequence
or drain the rinse system as part of the shutdown procedure.
Reconfiguring the Autosampler Sample Height
The autosampler may be reconfigured from a short configuration to a tall
configuration or vice versa.
To change the height configuration of the ASX-112FR autosampler, complete
the following steps:
Turn off power to the autosampler and unplug the power cord.
1
Open the larger of the two access panels on the bottom of the autosampler to
reveal the eight-position dip switch.
2
Adjust the position of dip switch number six to match the intended height
configuration:
3
Tall: Switch 6 = 1
Short:Switch 6 = 0
Change the rinse station from short to tall or vice versa.
4
The ASX-112FR comes with a single rinse station, either a tall or short version.
However, a secondary rinse station may be purchased if the customer has a
need to run in both tall and short configurations.
Follow the steps for "Replacing the Rinse Station" on page 58.
Move the Y-arm from the short position to the tall position or vice versa.
5
Remove the thumbscrew and reposition the Y-arm in the desired location (see
"Figure 3-1. Y-Arm Mounting Positions." on page 20). Replace the
thumbscrew.
Place the new set of standards and vials in the autosampler tray, along with the
sample rack. Remember than an adapter plate is required for a short rack.
6
Loosen the thumbscrew on the side of the collar to make fine adjustments to
the height of the probe.
7
ASX-112FR Autosamplers Operator's Manual
Chapter 5: Using the Autosampler
51
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