Agilent 1290 Infinity II Flexible Pump User Manual 115
Maintenance
7
Pump Head Procedures
3
Remove the piston from the piston housing by pushing it
to the rear, then pull it out from the rear.
4 Check the pump pistons for scratches, grooves and dents
when changing the piston seals.
Damaged pistons cause micro leaks and will decrease
the lifetime of the seals.
5
Use the steel side of the insert tool for removing the
pump seal from the pump chamber housing.
Do not use the pump piston for that purpose, as this
can break it!
6
To flush out particles from the pump head, use
pressurized air ((1), (2) and (3)).
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.
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