Metrohm 2.792.0020 Basic IC, Instructions For Use Manual

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2.6 High-pressure pump
792 Basic IC
27
4 Deaerate pump
x
Make sure that the 6.1834.010 aspirating tubing for the high-
pressure pump has been immersed into the eluent.
x
Click the
<On>
button for
IC pump
to switch on the high-
pressure pump.
x
Use the syringe connected to the purge valve
31
to aspirate
air until eluent flows into the syringe.
x
Click the
<Off>
button for
IC pump
to switch off the high-
pressure pump.
x
Close the rotary knob on purge valve
31
31 31
31
by turning it in a
clockwise direction (see Fig. 3 ).
x
Remove the syringe from coupling 24 24 24 24 .
5 Rinse pulsation dampener (if present)
x
Place a beaker beneath the column connection capillary 20 20 20 20 .
x
Click the
<On>
button for
IC pump
to switch on the high-
pressure pump and rinse the pulsation dampener 52 52 52 52 filled
with isopropanol for ca. 10 min with eluent.
x
Click the
<Off>
button for
IC pump
to switch off the high-
pressure pump.
6 Reduce flow rate
x
Reset the original flow rate under
Flow
(e.g.
0.2 mL/min
).
x
Click
<Send to unit>
to send this value to the 792 Basic IC.