Agilent Technologies 1260 Infinity VL User Manual page 122

9
Maintenance
Maintenance of a Pump Head Without Seal Wash Option
1
Place the pump head on a flat surface. Loosen the lock
screw (two turns) and while holding the lower half of the
assembly (piston housing) carefully pull the pump
housing away from the piston housing.
3
Check the piston surface and remove any deposits or
layers. Cleaning can be done with alcohol or tooth paste.
Replace piston if scratched.
Piston surface
122
2
Remove the support rings from the piston housing and lift
the housing away from the pistons.
4
Using the steel side of the insert tool carefully remove the
seal from the pump housing. Remove wear retainers, if
still present.
Insert tool
Piston seal
1260 Infinity QuatPump VL User Manual