Agilent Technologies 1220 Infinity II LC User Manual page 260

11
Maintenance and Repair
Solvent Delivery System
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.
7
Using the plastic side of the insert tool, insert new seals
into the pump head.
260
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.
1220 Infinity II LC System User Manual