Replacing The Proportioning Valve - Thermo Scientific Dionex UltiMate 3000 Series Operating Instructions Manual

UltiMate 3000 Series:
LPG-3400XRS Pump

7.3.6 Replacing the Proportioning Valve

The proportioning valve includes four channels and a static mixer. To replace the
proportioning valve, follow the steps below.
Description
Proportioning valve, entire assembly
1. Remove the pump head from the interior front panel (→ page 110).
2. Unscrew the two screws on the bottom of the proportioning valve.
3. Remove the proportioning valve from the pump head main body.
4. Install the replacement proportioning valve. Be sure that the valve is correctly aligned
to the pump head main body (→ Fig. 63). Hold the proportioning valve in a vertical
position to avoid that the static mixer falls out and may be damaged.
Fig. 63: Installing the proportioning valve (here with pump head body)
5. Tighten the two screws on the bottom of the proportioning valve.
6. Reattach the pump head to the pump (→ page 113).
Page 126
Part No.
6043.0270
Operating Instructions