How to test the solenoid valve for the lifting stacker

How to test the solenoid valve for the lifting stacker

The following article describes how to test the solenoid valve located on the lifting stacker. If you are able to follow the test in its entirety and air is only coming out of the hose when the dial is positioned as specified below, then the solenoid valve is functioning properly. 

🔧 Tools you may need:  ☐ #0 flat screwdriver

 Ⓘ NOTICE  Only qualified personnel familiar with the construction and operation of this equipment and the hazards involved should install, adjust, operate, and/or service this machine. Read and understand the manual in its entirety before proceeding. Failure to observe this precaution could result in severe bodily injury or loss of life. By proceeding, you are indicating that you acknowledge and agree that Foltex USA is not responsible for any damage to property or persons while accessing and/or using this service.

Test each solenoid valve as follows: 

Test air coming out of port 4 

  1. Push the blue compression ring upward and gently pull the red tube out of the solenoid.
  2. Manually activate the valve by using a #0 flat screwdriver to turn the blue dial (Figure A) to the horizontal position.

    (Figure A)
  3. Verify that air is only coming out of the valve when the dial is horizontal; if not, the valve is not working properly and should be replaced.
  4. Turn the blue dial back to the vertical position and gently push the red tube back into the solenoid. 

Test air coming out of port 2

  1. Use a #0 flat screwdriver to turn the blue dial (Figure A) to the horizontal position.
  2. Push the blue compression ring upward and gently pull the blue tube out of the solenoid.
  3. Manually activate the valve by turning the blue dial to the vertical position.
  4. Verify that air is only coming out of the valve when the dial is vertical; if not, the valve is not working properly and should be replaced.
  5. Turn the blue dial back to the horizontal position and gently push the blue tube back into the solenoid.
  6. Turn the blue dial back to the vertical position. 

Pressure test

Uneven pressure on both ports signals a malfunctioning valve requiring replacement.


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