2.If the engine does not start for several weeks, the fuel may escape from the fuel system and some bubbles may be trapped in the engine fuel system when the fuel filter is replaced. In these cases, the oil should be pumped manually to the fuel system.
The fuel leaks into the oil basin, the plunger of the diesel engine fuel injection pump wears too much, the injector needle is not closed tightly or the needle valve is stuck in the open position; the clearance between the piston, the piston ring and the cylinder is too large, so that Fuel leaks under the cylinder wall to the oil sump.
It takes a while for the oil film to re-establish between the crankshaft and the bearing, between the piston and the cylinder liner after the engine is started. The optimum clearance between moving parts can only be obtained after the engine parts reach the normal working temperature. Therefore, with the engine's heat engine, the engine speed is gradually increased from no-load speed 650r/min to 1000-1200r/. The preheating operation of the diesel engine is carried out at min.
When the mains grid stops supplying power or the mains voltage is lower than 80% of the rated value, the diesel generator set will start automatically. After the startup is successful, the load will be supplied with power. The whole process of one-time startup is controlled within 15 seconds, with remote interface. The start delay can be set to realize automatic start and stop of the generator set.
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