When it comes to the flameout of the excavator, it is nothing but the following: the excavator automatically shuts down during work, or after working for a period of time, it automatically shuts down within a few minutes after a serious landing, or even starts up again after the flameout. The engine is very laborious to get on the vehicle, and then shuts down after a few minutes, and problems continue to occur repeatedly.
1. Sudden interruption of engine oil supply or sudden increase of load causes the Doosan excavator to shut down automatically
There is no process of speed reduction before the Doushan excavator flameout, and the flameout is sudden In this case, first check whether the engine components are suddenly loose or fall off. For the engine with the flameout solenoid valve holding the oil supply rod of the high-pressure oil pump, also check whether the flameout solenoid valve is powered off
2. Blockage of working parts causes the self stalling of Doosan excavator
It is shown that the engine speed decreases gradually before stalling, and the exhaust pipe emits black smoke. In this case, first check whether the working parts of Doosan excavator are blocked. If there is a blockage, the engine can generally restart after clearing the blockage In addition, due to poor lubrication of the engine, there is an accident of holding the shaft and burning the bush, which may also occur. In this case, the engine needs to be overhauled
3. The poor fuel supply of the engine causes the Doushan excavator to shut down automatically
It shows that the engine speed is unstable or drops slowly before the machine shuts down, but there is no obvious black smoke from the exhaust pipe In this case, check whether the fuel in the fuel tank is exhausted, whether the fuel supply of the fuel transfer pump is normal, whether the inlet of the sediment cup is blocked by foreign matters, and whether the diesel filter is too dirty If the diesel filter is too dirty, remove the diesel filter, clean it and reinstall it, and eliminate the air in the oil circuit.
