Agilent 1290 Infinity Binary Pump User Manual 141
Maintenance
9
Disassembling the Primary Pump Head
3
Remove the front part of the pump head including pump
chamber housing with pump seal and seal holder. If the
seal wash option is installed, also remove the support
ring with wash seal and gasket.
4 Remove the piston from the piston housing by pushing it
to the rear, then pull it out from the rear.
Pump chamber housing
Seal holder including
backup ring
Seal wash gasket
Support ring with wash seal