Agilent Technologies 1260 Infinity II User Manual page 148

7
Maintenance
Pump Head Maintenance (Tool Free)
3
Turn the pump head assembly upside down.
5
Remove the inlet valve and the outlet valve from the
primary pump head.
N O T E
Clean the valves by sonication, if appropriate. A good
cleaning solution is 50 % isopropanol in water.
148
4
Remove the link plate by gently pulling it off the pump
head assembly.
The two pump chambers are now isolated.
6
Binary/High Speed Pumps only: Remove the high
pressure filter from the secondary pump head.
1260 Infinity II Flexible Pump User Manual