Why doesn’t the fuel dispenser delivery oil?

Possible Faults Sources:


a.       Oil level inside the tank is too low


b.       Filter is clogged


c.        In-line air leak


d.       Solenoid valve is not turned on


e.       Pump works abnormally


f.         Flow meter is stucked


g.       Nozzle works abnormally




Recommended Solutions:


a.      Fill up the tank with oil to raise the liquid oil level


b.      Clean the filter


c.       Overhaul the oil pipeline


d.      Overhaul the solenoid valve


e.      Overhaul or replace the pump; see the section of "Pump maintenance"


f.        Overhaul the flow meter; see "Flow meter maintenance "


g.      Maintain or replace the nozzle