Gradient pump tube replacement
After 500 measurements/ half year.
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![070901 Disconnect tubing](070901_disconnecttubes.jpg)
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Disconnect water and PVP tubing and pull up the sample needle
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Lower the BOB and perform two times a function
[ LoRRca IO ] [ Prime all ] [ Start ]
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![Open drawer](070901_opendrawer.jpg)
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Open the pump drawer and pull the drawer out.
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![release_tube_cassette](release_tube_cassette_small.jpg)
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![replace_tube_cassette](replace_tube_cassette_small.jpg)
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Release the tube cassette.
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Replace the tube assembly with new tube assembly following Install LORC070901 tubing (see also Appendix - Parts list spare- and replacement parts)
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