ICS-1000 Ion Chromatography System Operator's Manual

5•Service5.15 Priming with Isopropyl AlcoholNOTEPrime the pump heads with isopropyl alcohol only if thetwo standard priming procedures described inSection B.12 are unsuccessful.1. Connect a 10-mL syringe (P/N 054578) filled with isopropyl alcohol (IPA) tothe port in the primary pump head (see Figure B-37).2. Open the waste valve on the secondary pump head (see Figure B-37) byturning the knob one-quarter to one-half turn counterclockwise.3. Click Pump On on the Chromeleon Control Panel to turn on the pump motor.4. Open the priming valve on the primary pump head by turning it one-quarter toone-half turn counterclockwise.5. Use the syringe to slowly push alcohol through the pump.NOTEBe careful not to push any air trapped in the syringethrough the pump. Check the waste line from thesecondary pump head to verify that there are no airbubbles.6. Close the priming valve. Do not overtighten. Disconnect the syringe fromthe priming valve.7. Let the pump run for several minutes, to purge alcohol from the pump heads,and then click Prime and flush the heads with the desired eluent.Isopropyl alcohol may damage some columns. Be sure to thoroughlyrinse the alcohol from the pump, using the process described inStep 7.8. Close the waste valve. Do not overtighten.9. Select the flow rate required for the analysis.10. Click Pump Off to turn off the pump motor. The pump is now ready foroperation.Doc. 031879-01 3/03 5-29