Agilent Technologies G7104A, User Manual

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Agilent 1290 Infinity II Flexible Pump User Manual 117
Maintenance
7
Pump Head Procedures
Replacing the Heat Exchanger
Tools required Description
Wrench, 19 mm
Parts required p/n Description
G4220-81013 Heat Exchanger (secondary pump head only)
G4220-20028 Headless screw for 1290 Infinity pump heads
G4220-20001 Spacer Fitting
Preparations • Remove the pump head assembly from the pump
• Remove the secondary pump head from the link plate
C A U T I O N
Loss of small spacer fitting
Inside the secondary pump head is a small spacer fitting, which can be dropped easily
when removing the heat exchanger.
➔
The heat exchanger does not need to be removed for pump head maintenance.
1
Remove the 19 mm screw at the front of the secondary
pump head.
2
Remove the front plate.