Waters ACQUITY - Page 130

Warning: To avoid personal contamination with biohazardous or toxic compounds, wear clean,
chemical-resistant, powder-free gloves when performing this procedure.
To clean the diverter valve:
1. Stop the flow from the LC, ensure that the QDa detector is in standby mode, and
disconnect the power cable from the ACQUITY Diverter Valve.
2. Disconnect all tubing from the valve.
3. Remove the 3 hex bolts securing the valve to the rotor using the 9/64-inch hex wrench.
4. Remove the valve stator and rotor seal from the valve assembly.
Retaining bolts
Stator
Rotor seal
Valve pod spindle
Diverter valve pod
5. Sonicate the stator and rotor seal in methanol for 20 minutes.
6. Reassemble the valve, and then evenly tighten the 3 hex bolts to ensure an adequate seal.
7. Inspect the tubing and fittings prior to reconnecting and replace if signs of damage or
leaking are visible.
June 15, 2017, 715003956 Rev. F
Page 130