1100 Series Nano Pump Service Manual 69
Troubleshooting and Test Functions 2
Positioning the blank nut If a specific component is suspected of causing a
system leak, place the blank nut immediately before the suspected component,
then run the pressure test again.If the test passes, the defective component is
located after the blank nut. Confirm the diagnosis by placing the blank nut
immediately after the suspected component. The diagnosis is confirmed if the
test fails.
Running the Normal Mode Pressure Test
Running the test from the ChemStation
1 Select the pressure test from the test selection box in the Diagnosis screen.
2 Start the test and follow the instructions.
NOTE
For this test only channel A2 is active. To test the pressure tightness of the pump
component use the leak test, see “Leak Test” on page 73.
Tools required Wrench 1/4 inch.
Parts and materials
required
Blank nut, 01080-83202
Isopropanol, 500 ml
NOTE
This test requires the manual purge valve installed and the Electronic Flow Control (EMPV
and flow sensor) bypassed. To install the manual purge valve see "Installing the Manual
Purge Valve" on page 114.
NOTE
Make absolutely sure that all parts of the flow path that are part of the test are 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!
To Next Page
Loading...
Need help?
General
