Assemble The Primary And Secondary Pump Head - Agilent Technologies Infinity II 1290 User Manual

7
Maintenance
Pump Head Procedures

Assemble the Primary and Secondary Pump Head

This procedure describes how to assemble the secondary pump head using
the pump head alignment tool. Assembling the primary pump head can be
done accordingly. The secondary pump head has the heat exchanger
capillary, which must fit into the openings of the alignment tool, whereas
the primary pump head does not have a heat exchanger.
When Before installing the pump head.
Tools required p/n
G4220-20012
G4220-20013
G4220-20041
G4220-20015
01018-23702
Parts required p/n
0905-1719
0905-1718
5062-2484
See chapter "Parts" for details.
Damage of the pump piston
C A U T I O N
The pump piston is very sensitive to shearing forces from the side.
➔
Wrong orientation of pins on support ring
C A U T I O N
Assembling the pump head without paying attention to the correct orientation of the
pins on the support ring can lead to leaks or damage of the piston and pump head.
➔
122
Description
Pump head alignment tool
Torque wrench 2 – 25 Nm
4 mm hex bit
Bit Torx 10x25 mm
Adapter ¼ in square to hex
Insert tool
Description
Metering seal 100 µL
Wash Seal PE
Gasket, seal wash (pack of 6)
Use the alignment piston of the pump head alignment tool for the alignment
procedure described below.
Observe pins on the support ring, which help assembling the parts of the pump head
in the correct orientation.
Agilent 1290 Infinity II Flexible Pump User Manual