Replace the Analytical Head
When
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Tools required
Qty. | p/n | Description | |
|---|---|---|---|
1 |  | 5023-2524 | Hex Key Set (part of the G7120-62708 InfinityLab LC Series Tool Kit) |
Parts required
Qty. | p/n | Description | |
|---|---|---|---|
1 | | G7129-60084 | Analytical Head Assembly 40 µL OR |
1 | | G7129-60082 | Analytical Head Assembly 100 µL OR |
1 | | G7129-60083 | Analytical Head Assembly 900 µL |
Prerequisites
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NOTE
If the sampler with 900 µL metering device is linked to a 1260 pump, such as the G7112B Binary Pump, the 400 bar pressure limit must be set manually in the method parameter settings of the pump. See "Setup of Basic Pump Parameters" chapter in the pump user manual. For all 1290 pumps, the pressure limit will be set automatically.
NOTE
When the instrument setup has changed, configure the new setup in the online view of the Chromatographic Data System. See The Vialsampler user interface.
In the Agilent Lab Advisor software, select Service & Diagnostics > Maintenance Positions > Change Metering Seal and Piston , click Start and wait until the metering plunger is in maintenance position.
OR: In the Local Controller start the maintenance mode and select Change Metering Device function.
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In Lab Advisor, select Next to move the piston back into its normal position and then Back to finish the maintenance procedure.
OR: In the Local Controller, select Continue to move the piston back into its normal position and then Exit to finish the maintenance procedure.
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Select Back to finish the procedure.
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Perform a System Pressure Test.
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If needed, install a sample loop matching the volume of the new analytical head, see Exchange the Sample Loop Assembly.
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