Dionex ASE 150, Руководство оператора

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5 • Service
Doc. 065207-02 9/08
97
16. Turn off the gas supply and disconnect the gas line from the valve.
Remove the orange extension tubing, if used.
17. Slide the cylinder shaft toward the cylinder. Remove the spacer tool
from between the valve body and the piston ferrule.
5.8.5 Reinstalling the Static Valve
1. Reattach the static valve to the ASE 150, using the four screws
removed in Section 5.8.1 . Use a 2.5-mm hex wrench to tighten the
screws. Tighten until the screw head touches the rubber bumper on
the mounting bracket and then turn an additional one-half turn.
Do
not overtighten!
2. Reconnect all fluid and gas connections to the static valve. (Refer to
the label on the inside of the right-side panel.)
3. Reconnect the gas source and turn on the gas supply.
4. Turn on the ASE 150 main power switch.
5. Follow the steps below to test the system for leaks:
a. Install one of the following in the cell holder: a “blank” sample
cell of any size filled with Ottawa sand (Fisher S23-3) or an
empty sample cell with a volume of less than 34 mL. (A “blank”
cell contains no sample.)
b. Install a 250-mL collection bottle in the collection bottle holder
and toggle the needle switch to the
DOWN
position.
c. Check that the waste bottle is installed.
d. Press
MENU
to display the
MENU
screen.
e. Move the cursor to
METHOD EDITOR
and press
ENTER
to display
the
METHOD EDITOR
screen.
f. Select a custom method for editing. Select the following values
for the method:
TEMPERATURE Off
STATIC TIME 1
RINSE VOLUME 0%