Calibrate Pressure Sensors

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A - Pressure Reading

If pressure sensor (A) reading does not return to zero when there is no pressure or fluid in boom section shutoff valves, calibration of pressure sensor is necessary.

1. CAUTION:

   
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   Solution Command System

   
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   Manual Load System

   
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   A - Pull-On Fill Button

   B - Solution Tank Sump Valve

   C - Flowmeter Shutoff Valve

   D - Strainer Drain Valve

   E - Side Quick Fill Valve

   Do not drain solution onto the ground. Drain into a container. Drain solution in an area where people, animals, vegetation, and water supply, etc., cannot be contaminated.

   NOTE: Solution tank sump valve closes automatically when solution pump is turned off on machines equipped with Solution Command system. Verify pull-on fill button (A) is off.

   Close solution tank sump valve (B).

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2. Close flowmeter shutoff valve (C).

3. Open strainer drain valve (D) and drain solution into suitable container.

4. Open side quick fill valve (E) and drain solution into suitable container.

5. 
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   A - Strainer Drain Plugs

   Remove strainer drain plugs (A) on boom center frame, catch solution in a suitable container.

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6. 
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   A - Calibration Softkey

   B - Spray Calibration Tab

   C - Calibration Icon

   Select the Calibration softkey (A) to view the setup menu.

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7. Select the Spray Calibration tab (B).

8. Select calibration icon (C) next to Pressure Sensor Calibration. Pressure Sensor Calibration will appear.

9. 
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   A - Button

   B - Enter Button

   C - Enter Button

   Follow instructions on first screen. When finished select the button (A) to proceed to next screen.

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10. Follow instructions on second screen. When finished select the Enter button (B) to proceed to next screen.

11. “Pressure sensor calibration is complete.” will be displayed. Press Enter button (C) to return to Spray Calibration tab.

12. Install all previously removed plugs and close all valves.