Users should know that if the diesel in the fuel tank of the Cummins generator set is not clean, it is likely to cause wear or corrosion of the fuel system plunger, fuel delivery valve, and fuel injector needle valve, which will greatly reduce the reliability and durability of the machine. Therefore, we must pay attention to the daily maintenance of the fuel tank.
Before the diesel of the Cummins generator set is added to the fuel tank, it should be precipitated for more than 48 hours to prevent impurities in the oil from being brought into the fuel tank.
The vent hole on the fuel tank cover should be frequently dredged. If it is blocked, negative pressure will be formed in the tank, and the fuel delivery pressure and fuel supply will be reduced, so that the power of the diesel engine cannot be fully utilized.
The amount of oil in the fuel tank should be known at all times during the machine operation, and should be added in time when the fuel is short, to prevent the dirty oil or air at the bottom of the tank from entering the fuel system due to exhaustion of the oil, thereby affecting the normal operation of the diesel engine.
Before stopping each time, the fuel tank should be filled with oil to avoid condensation on the inner wall of the empty fuel tank at night to prevent water droplets from flowing into the diesel. In addition, before starting work, the drain valve of the fuel tank should be opened to drain the dirty oil or water deposited at the bottom of the tank.
When the fuel tank is leaking or the switch is not tightly closed, it will pollute the environment, easily cause fires, and waste diesel fuel, which increases operating costs. At this time, the machine should be shut down for repair or replacement of the switch, and the operation must not be forced to continue, otherwise the leakage will become more and more serious under the vibration of the machine and cause greater losses.
Decontamination of the fuel tank: After the generator set is used for a long time, a lot of dirt will be generated when the diesel in the fuel tank comes into contact with the air or the tank wall. At the same time, it is inevitable that dust or moisture will be brought into the fuel tank during the daily refueling process. Therefore, the fuel tank should be cleaned every 1500~2000h of the machine, otherwise it will be contaminated even if all clean diesel is added.
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