178 1290 Infinity Quaternary Pump User Manual
9
Maintenance
Pump Head Maintenance (Tool Free)
3
Turn the pump head assembly upside down.
4
Remove the link plate by gently pulling it off the pump
head assembly.
The two pump chambers are now isolated.
5
Remove the inlet valve and the outlet valve from the
primary pump head.
Clean the valves by sonication, if appropriate. A good
cleaning solution is 50 % isopropanol in water.
6
Binary/High Speed Pumps only: Remove the high
pressure filter from the secondary pump head.