Agilent Technologies Infinity II 1290 User Manual page 112

7
Maintenance
Pump Head Procedures
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.
Pump seal
N O T E
Do not use the pump piston for that purpose, as this
can break it!
112
4
Check the pump pistons for scratches grooves and dents
Piston surface
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.
Agilent 1290 Infinity II Flexible Pump User Manual