Waters Alliance e2695 Operator's Manual page 140

7. Push the syringe plunger down so that the threaded end slides through the syringe guide
mounting bracket.
8. Hand tighten the syringe.
9. On the Diagnostics screen, press Other Tests.
10. In the Other Tests screen, select the Syringe Position field, and then press Enter to display
the drop-down list.
11. Select Empty, and then press Enter.
Result: The mounting bracket moves upward so that you can install the knurled nut.
12. Press the Exit key to exit the Other Tests screen.
13. Install and finger tighten the knurled nut.
7.6.2.3 Modify syringe configuration parameters
If the replacement syringe differs in size from the original syringe, you must configure the
separations module for a new syringe size.
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
module" on page
7.6.2.4 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
on page 59.
47.
February 27, 2018, 715003794 Rev. C
Page 140
"Configure the separations
"Purge the system"