Oildelivery line Component: 

Crane position, temperature sensor, filter, heavy-duty fueldispenser, anti over flow sensor, electrostatic equipment
Working flow:

When truck stops at  crane position, electrostatic equipment and anti over flow sensor are correctly setup. Input password, then preset oilvolin dispenser panel. (the oilVolalso can be set in office computer), after the signalof anti over flow sensor and electrostatic equipment are detected. Oildelivery begin. push the  EMS key to  stop delivery when something urgent happens. when it is almost to the set vol, system willclose the electrohydraulic value step by step. tillthe delivery is finished.