Agilent Technologies 1260 Infinity II User Manual page 128

8
Maintenance
Maintenance of a Pump Head without Seal Wash
1
Place the pump head on a flat surface. Loosen the lock
screw (two turns).
3
Remove the support rings from the piston housing.
5
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.
128
2
While holding the lower half of the assembly (piston
housing), carefully pull the pump housing away from the
piston housing.
4
Lift the housing away from the pistons.
6
Using the steel side of the insert tool, carefully remove
the seal from the pump housing.
InfinityLab LC Series 1260 Infinity II Binary Pump User Manual