146 Agilent 1290 Infinity Binary Pump User Manual
9 Maintenance
Assembling the Pump Head
Assembling the Pump Head
See chapter "Parts" for details.
When Before installing the pump head.
Tools required p/n Description
Pump head alignment tool
G4220-20012 Torque wrench 2 – 25 Nm
G4220-20013 4 mm hex bit
G4220-20014 2.5 mm Hex Bit
G4220-20015 Adapter ¼ in square to hex
01018-23702 Insert tool
Parts required p/n Description
0905-1420 PE seals (pack of 2)
0905-1718 Wash Seal PE
5062-2484 Gasket, seal wash (pack of 6)
Limited life time of the pump head
Inserting the backup seal wrongly may limit the life time of the pump head.
➔ Please note the correct orientation of the backup seal.
Damage of the pump piston
The pump piston is very sensitive to shearing forces from the side.
➔ Use the alignment piston of the pump head alignment tool for the alignment
procedure described below.