User's Manual

System Operation

313882C 61

Purging Sampling Valves and Tubes

Follow this procedure after meter calibration.

1. Press the Standby

key on the Booth Control.

2. See F

IG. 60. Close both fluid shutoff valves and

sampling valves.

3. Route the sampling tubes into a grounded waste

container.

4. On a single color system, attach a solvent supply

line to Flow Meter A inlet.

5. On the EasyKey, press the Setup key and

access the Advanced Setup screens.

6. Press the Right Arrow key to select the Calibra-

tion screen. Press the Down Arrow

key and

select Purge from the menu. Press the Enter

key

Dose A, solvent purge valve (B side), component C

purge valve, and color change solvent valves (if

used) will open.

7. To avoid splashing, slowly open the sampling valves

and dispense solvent until the valves and tubes are

clean.

NOTE: When performing a calibration purge, the

solvent valve(s) close automatically after 2 minutes

or when Abort is selected on the screen.

8. Close sampling valves.

NOTE: Select Abort on Calibration screen to cancel

current calibration and close dose or purge valves.

9. Fully open both fluid shutoff valves.

10. On a single color system, reconnect component A

fluid supply line to flow meter A.

NOTE: After calibration it is necessary to clean out con-

taminated mix material. Do a manual purge and resume

the recipe just tested, or do Recipe 0 then go on to the

next recipe.

IG. 61. Calibration Screen