96 Agilent 1200 Preparative Pump User Manual
6 Troubleshooting and Diagnostics
Pressure Test
Running the Pressure Test
1 Select the pressure test from the test selection menu.
2 Start the test and follow the instructions.
3 Remove the blanking nut after finishing the test and reconnect all
capillaries.
When If problems with small leaks are suspected After maintenance of flow-path components (e.g. pump
seals, injection seal) to prove pressure tightness up to 350 bar.
Tools required • ¼-inch” wrench
Parts required # Part number Description
1 01080-83202 Blank nut
500 ml Isopropanol
Preparations • Thoroughly flush the entire system with Isopropanol and remove all contaminations and
potential air bubbles, release the pressure in the system and position the blank nut
Make absolutely sure that all parts of the flow path that are part of the test are very
thoroughly flushed with IPA before starting to pressurize the system! Any trace of other
solvents or the smallest air bubble inside the flow path definitely will cause the test to fail!
Finishing the test will release the pressure in the system.
For detailed instructions refer to the Agilent LMD Tool.
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