Agilent Technologies Infinity II 1290 User Manual page 115

3
Remove the piston from the piston housing by pushing it
to the rear, then pull it out from the rear.
5
Use the steel side of the insert tool for removing the
pump seal from the pump chamber housing.
Insert tool
Pump seal
N O T E
Do not use the pump piston for that purpose, as this
can break it!
Agilent 1290 Infinity II Flexible Pump User Manual
4
Check the pump pistons for scratches, grooves and dents
when changing the piston seals.
N O T E
Damaged pistons cause micro leaks and will decrease
the lifetime of the seals.
6
To flush out particles from the pump head, use
pressurized air ((1), (2) and (3)).
N O T E
Pump head parts in contact with the piston seal need
to be cleaned properly in order to get a smooth surface
and a tight connection.
Maintenance
Pump Head Procedures
7
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