Maintain the sample management system
July 29, 2013, 715003794 Rev. B 209
To configure the separations module for a new syringe size:
1. On the Main screen, press the Configure screen key.
2. In the Configuration screen, select the Syringe Size field.
3. In the drop-down menu, select the appropriate syringe size, and then
press Enter.
4. Press the Exit key.
Tip: For more information about changing the syringe size, see “Configure the
separations module” on page 91.
Purge the sample management system
Once you installed a new syringe, purge the sample management system with
at least six sample loop volumes to remove any bubbles from the system.
To purge the sample management system:
1. Press the Menu/Status key.
2. Set the pump to deliver 1 mL/min of degassed, 100% methanol.
3. Select the purge cycle parameters:
a. Press the Direct Function screen key.
b. Select Purge Injector, and then press Enter.
c. Enter 6 in the Number of Sample Loop Volumes field, and then
press Enter.
d. Select the Compression Test check box to perform a compression
test (to detect air bubbles in the syringe).
4. Press OK to start the purge cycle.
Tip: For more information about purging the sample management system, see
“Purge the system” on page 108.
Replace the injector needle and seal pack
Replace the injector needle and seal pack when these conditions apply:
• The needle is bent.
• The tip of the needle is damaged.
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