Dionex UltiMate 3000 Series, Руководство по эксплуатации

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UltiMate 3000 Series:
SD, RS, and BM Pumps
Operating Instructions Page 135
7.5.2 Pump Head and Pistons
7.5.2.1 Removing the Pump Head and Pistons
1. Tilt the front cover upward.
2. If necessary, purge the pump to remove toxic solvents.
3. Set the pump flow rate to 0 and wait until the system pressure is down to zero.
4. Move the pistons into the appropriate position for piston replacement. To do so,
perform the appropriate command for the pump head that you want to remove:

On the pump, perform the command for piston replacement on the Control menu, that
is, depending on the pump type, perform the Change pump pistons , Change right
pump pistons , or Change left pump pistons command. Wait until the
Pump/Maintenance screen indicates that the pump head can be removed, before you
continue with the next steps.
—or—

In Chromeleon, perform the UndockPistons command from the Commands dialog
box (listed under [Pump Device Name]_Wellness_RightBlock and/or [Pump Device
Name]_Wellness_LeftBlock ; for information about the [Pump Device Name], see
page 37).
Wait until the
PistonPositionStatus property reports Undocked before you continue
with the next steps.
5. Undock the pistons of the second pump head if applicable.
6. Only HPG-3x00
Unplug the pressure transducer cable from the P-Work connector on the interior front
panel.
7. Disconnect all fluid connections from the pump head. (It is not necessary to remove
the U-tube, that is, the capillary from the working cylinder to the equilibration.)
Fig. 36: Pump head
Pump head outlet
Capillary from working
cylinder to equilibration
cylinder (U-tube)
Pump head inlet
Pump head screw
Pressure transducer
cable
Seal wash tubing
Seal wash tubing