Agilent InfinityLab LC Series Vialsamplers User Manual 255
8Maintenance
Replace the Analytical Heads
Replace the Analytical Heads
When
The maximum injection volume needs to be changed.
Tools required p/n Description
8710-0510 Open-end wrench 1/4 — 5/16 inch
Parts required # 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
Preparations
• Finish any pending acquisition job.
• Stop the flow at the pump and remove the solvent lines from the eluent bottles to avoid spilling
solvent.
• Close the shutoff valves at the pump if available.
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.
When the instrument setup has changed, configure the new setup in the online
view of the Chromatographic Data System. See Table 15 on page 155.
1 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.
2 Open the doors of the module.
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