Agilent Technologies 1260 Infinity II User Manual page 131

1
Place the pump head on a flat surface. Loosen the lock
screw (two turns).
3
Remove the seal holder and the seal wash support rings
from the piston housing.
5
Lift the housing away from the pistons.
InfinityLab LC Series 1260 Infinity II Binary Pump User Manual
Maintenance of a Pump Head with Seal Wash
2
While holding the lower half of the assembly (piston
housing), carefully pull the pump housing away from the
piston housing.
4
Remove the seal holder from the support ring assembly.
6
Check the piston surface and remove any deposits or
layers: clean the piston surface with abrasive paper and
rinse with 2-propanol. Replace piston if scratched.
8
Maintenance
131