Metrohm 2.889.0010 889, Руководство пользователя

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5 Handling and maintenance
889 IC Sample Center
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Note
If you are using the sample racks with 12 or 48 vials, then you must
adjust the setting of the needle height to > 2 mm. This will prevent
the needle from touching the bottom of the vial.
18 Perform a rinsing procedure in order to clean the new needle. Start the
Wash function. To interrupt the rinsing procedure, click on Stop .
19
Note
The needle settings may need to be adjusted.
In MagIC Net
™
, open the configuration settings of the 889 IC Sample
Center
and select the
Needle
tab.
Perform the necessary setting.
5.3.3 Replacing the air needle
Replace the air needle as follows:
1 Replace the sample needle, (see Chapter 5.3.2, page 33) .
2 Undo the fastening nut (made of chrome) for the air needle.
3 Undo the fastening nut (made of chrome) for the adjusting screw.
4 Remove the air needle.
5 Tighten the height adjustment nut on the fixing nut (made of chrome).
The thread of the height adjustment nut must match the lower part of
the fixing nut. The O-ring must be properly seated in the fixing nut.
6 Insert the air needle.
7 Mount the sample needle.
8 Select the correct needle height for the new needle in the manual
operation feature of MagIC Net
™
on the Needle tab.