LOOK AGAIN AT CONTROLS Here're my thoughts.1.Pump vapor lock:a.The type of pump is not specified but needs to be examined.LPG [liquefied petroleum gas] usually demands a multi-stage pump,one more exotic than a centrifugal.Most LPG pump cavities usually have a vapor-removal capability.b.It looks like the flow from the pump is controlled by the flow controller to the car,which is fine.However,what is that flow rate controlled at? Is that rate operator-set and dependent on whether he wants to fill it fast or slow? Is the pump started or stopped between cars? If so,there may be a tendency to have the pump running between cars.Even a momentary stop will dead-head the pump and cause it to heat up.Whatever the setting,be sure that it is one on the pump curve.Too high or too low could cause the issue you are seeing.
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