Metrohm 761 Compact IC User Manual
Page 57
2.9 Putting into operation
761 Compact IC
47
parameters.
3 Start system
•
Make sure, that the aspirating tubing 63 for the high-pressure
pump is immersed in the eluent.
•
Select
Startup determination
from the
Control
menu in the
system window. The high-pressure pump and the peristaltic
pump are started, at the same time, a chromatogram window
is opened where the baseline is recorded continuously. The
suppressor module is automatically switched to the next posi-
tion every 20 min and conditioned in this way.
4 Set contact pressure for pump tubings
•
Press contact pressure lever 49 on both tubing cartridges 48
upwards until regeneration and rinsing solution just start to be
drawn in.
•
Then press contact pressure lever 49 upwards until it clicks
once more to obtain optimal contact pressure.
5 Check for leaks
•
Check all capillaries and their connections between the high-
pressure pump and the detector block for escaping liquid. If
eluent escapes anywhere, the appropriate compression fitting
must be tightened further or changed.