Waters ACQUITY UPLC Overview And Maintenance Manual page 105

Result:
Doing so moves the needle carriage toward the back of the sample compartment.
Notice:
To avoid damaging electrical components and circuitry, do not
disconnect an electrical assembly while electrical power is applied to a module.
To completely interrupt power, set the on/off switch to the "off" position, and then
disconnect the power cord from the ac source. Wait 10 seconds before
disconnecting an assembly.
2. Power-off the sample manager.
3. Open the fluidics compartment door.
4. Remove the finger-tight fittings and plugs from the injection-valve cartridge.
5. Use the 1/4-inch open-end wrench to remove the remaining fittings from the injection-valve
cartridge.
Figure 3–59: Injection-valve cartridge
2
3
4
From injection port
To waste
Sample syringe
Needle
From solvent manager
To column
6. Use the 2-mm hex wrench to remove the hex screw at the 10 o'clock position on the
injection-valve cartridge.
1
6
5
June 11, 2019, 715005051 Rev. D
Page 105