Metrohm 833 IC Liquid Handling Unit - Manual (Page 38)

4 833 IC Liquid Handling Pump Unit
833 IC Liquid Handling Unit / Instructions for Use 8.833.1003
30
• At the inlet end of the second piece of tubing 19 fasten a
suitably long piece of PTFE tubing 16 (6.1803.020) to
coupling 18 (6.2744.034) by using a compression fitting 17
(6.2744.010).
• Immerse the other end of the aspiration tubing in a container
with rinsing solution (normally dist. H
2
O) and fix it in position.
• Pull outlet capillary 67 of the suppressor module (marked
with "Waste") through opening 18 on the rear panel, lead it
into a sufficiently large waste bottle and fix it in position.
9 Start up the 833 Pump Unit
• Switch on the 833 Pump Unit with mains switch 8.
• Set the contact pressure for both cassettes: press contact
lever 5 until the solutions are just aspirated. Then press the
contact lever up by 1 further click to achieve the optimum
contact pressure.
• Check all the tubing from the storage containers to the 833 IC
Liquid Handling Unit and the suppressor module through to
the waste bottles for leaks. If any liquid should be leaking
then the corresponding connection must be tightened up or
replaced.