The concept of the tanker

The so-called automatic fuel dispenser to mention the word to move the word refers to the refueling in the refueling operation process when the oil gun, tanker motor start, solenoid valve open, the main valve switch oil gun has not opened, no oil out, the tanker The display appeared on the rise of the number of refueling and the amount of the phenomenon. To read the symptoms of the performance: 1, lift the refueling gun without opening the main gun switch, the display in the moment shows the amount and the number of liters changes, and the value of the gun with the increase in the length of time in the corresponding growth; portable fuel dispenser gun, open the main gun valve switch, this time the oil gun out of the oil or very little oil, but a large number of gas has been sprayed; 3, a period of time without oil, observe the oil mirror, Oil dissatisfaction or no oil.