Agilent Technologies InfinityLab LC Series User Manual page 144

8 Maintenance
Maintenance of a Pump Head Without Seal Wash Option
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.
Piston Surface
7 Using the plastic side of the insert tool, insert new seals
into the pump head.
Agilent InfinityLab LC Series 1260 Infinity II Isocratic and Quaternary Pumps User Manual
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.
8 Place the support rings on the piston housing. Note the
correct position of the pins.
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