Agilent Technologies G1313A, Reference Manual

Page: 83 / 292

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Troubleshooting and Test Functions
Change Piston
Change Piston
The change-piston function draws the piston away from the home position,
relieving the tension on the spring. In this position, the analytical head
assembly can be removed and reinstalled easily after maintenance.
User Interface
The commands for the ChemStation and Control Module (different names for
commands in the Control Module are shown in brackets) are:
Start (Change) Draws the piston away from the home position, relieving
the tension on the spring.
End (Done) Repositions the plunger at the home position.
Using the Change Seal Function
1
Select “Start” (“Change") to move the piston to the maintenance position.
2
Exchange the metering seal (see “Gripper Arm” on page 123).
3
Select “End” (“Done”) to move the piston back to the home position.