Metrohm 850 Professional IC Cation - Gradient - Manual (Page 44)

3.10 High pressure pump
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850 Professional IC Cation – HP-Gradient
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Figure 19 Deaerating the high pressure pump
1 Syringe 10 mL 6.2816.020
For aspirating the eluent. 2 Luer connector
On purging needle.
3 Purging needle 6.2816.040 4 Deaerating capillary
5 PEEK pressure screws, short
6.2744.070 6 Purge valve
7 Purge valve rotary knob
1 Connecting the purging needle
￭ Push the end of the purging needle (19-3) over the end of the
deaerating capillary (19-4) on the purge valve.
2 Connecting the syringe
￭ Insert syringe (19-1) in the Luer connector (19-2) of the purging
needle (see Figure 19, page 36).
3 Opening purge valve
￭ Open the rotary knob (19-7) by approx. ½ rotation counterclock-
wise.
4 Setting the flow rate
￭ Start MagIC Net (if not yet started).
￭ Ensure that the eluent aspiration tubing is immersed sufficiently in
the eluent.
￭ Let the high pressure pump run.