AZURA® Assistant ASM 2.2L Instructions V6803
Safe operation of the device modules 9
3.3
Pump
Start-up of the pump
Component defect
Possible damage to the pump head due to dry running.
Make sure that solvent fl ows through the pump head and piston
backfl ushing.
Connecting the eluent line to the pump head
Device defect
Damage to pump head, device or system when inlet and outlet of the
pump head are blocked.
Remove the cap fi ttings from the inlet and outlet of the pump head
prior to use.
Operating the pump
Setting the flow rate
Removing the pump head
Component defect
Damage to the pump head in case running-in procedure was not per-
formed correctly.
Set the correct backpressure and fl owrate for the running-in procedu-
re of the pump head. Specifi c running-in parameters and the general
procedure can be found in the supplement „
Running-in procedure for
pump heads (V6894)
“.
Device defect
If the pump is operated only with pure distilled water, significantly hig-
her wear of the piston and the piston seals can be expected.
If possible, only operate the pump with water together with the added
additive or modifi er.
Device defect
Danger of strong overpressure: If the button is pressed for a longer
time, the flow rate changes much faster.
Control the keystroke.
Chemical burns
Skin damage from aggressive or toxic eluents.
Wear protective gloves.
Flush the pump head before changing.