Metrohm 850 Professional IC Anion MSM-HC MCS Gradient - Manual (Page 50)

3.10 High pressure pump
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850 Professional IC
3.10.2 Deaerating the high pressure pump
The high pressure pump will only operate perfectly if the pump head con-
tains no more air bubbles. Therefore it must be deaerated during initial
start-up and after every change of eluent.
Caution
The high pressure pump must not be deaerated before the initial start-
up (see Chapter 4.1, page 71).
Deaerate the high pressure pump as follows (see Figure 20, page 41):