Waters ACQUITY CM-30S, Overview And Maintenance Manual, Page: 124 / 146

3 Maintaining the 30-cm single-zone column manager
124 October 7, 2014, 715004178 Rev. B
6. Ensure the tubing connected to the switching-valve is labeled correctly.
Valve cartridge:
7. Use the 1/4-inch wrench to remove the fittings attached to the
switching-valve cartridge.
8. Use the 2-mm Allen wrench to remove the hex screw at the 10 o’clock
position on the switching-valve cartridge.
9. Remove the switching-valve cartridge from the switching-valve
assembly by pulling straight forward.
10. Unpack the replacement switching-valve cartridge.
11. Ensure that the groove in the cartridge housing aligns with the groove
on the drive clamp.
Requirement:
If the grooves fail to align, turn the drive clamp until they
do so, taking care to avoid scratching the drive clamp or housing.
2-mm hex screw
Lock ring stop
Lock ring
Stator ID
Switching-valve cartridge housing
Drive clamp
Aligned grooves