How to Replace the injection valve on an SM-FL - WKB298517

Article number: 298517

OBJECTIVE or GOAL

Replace the injection valve on an SM-FL

1. In the ACQUITY Console, select Sample Manager FL from the system tree.

2. In the SM-FL information window, click Maintain > Park needle and inject valve > Yes.

3. Power-off the SM-FL.

4. Open the fluidics compartment door.

5. Remove the fittings attached to the injection valve cartridge.

6. Use the 2-mm Allen wrench to remove the screw at the 10 o’clock position on the injection valve cartridge.

7. Remove the injection valve cartridge from the injection valve assembly.

8. Carefully unpack the replacement injection valve cartridge.

9. Ensure that the groove in the cartridge housing and the groove on the drive clamp align.

Tip: If they do not align, turn the drive clamp until the grooves line up.

10. Insert the new injection valve cartridge into the injection valve assembly.

Note: If the injection valve cartridge does not slide fully into the injection valve assembly, contact your Waters service representative.

11. Insert the 2-mm Allen screw at the 10 o’clock position on the injection valve cartridge, and tighten it.

12. Reattach all fittings, ensuring the tubes bottom in their fitting holes.

13. Close the fluidics compartment door.

14. Power-on the SM-FL.

15. Characterize the sample needle and sample loop volumes.