Solution to generator set automatic shutdown failure:
1. Check the fuel injection pump drive shaft connection bolt for looseness and tighten it if necessary.
2. Check whether the connection of each oil pipe joint is reliable. If there is a leak, repair it.
3. Loosen the filter or quality oil pump bleed plug and pump the oil with a hand pump. If oil is leaking, this indicates that the problem lies in the high pressure oil line; flows, this indicates that the fault is in the high pressure oil circuit. The fault is in the low pressure oil line.
4. The problem lies in the low pressure oil line, mainly due to blocked diesel filter. The diesel filter needs to be cleaned or the filter element needs to be replaced.
5. If the engine speed is high or low before stalling, this indicates that there is water in thediesel, and the water should be disposed of or the diesel should be replaced in time.
6. When the fault is in the high pressure oil line, check whether the oil supply tie rod or rack is inflexible and stuck in the oil shut-off position, and perform maintenance if necessary.
The generator will put out the fire if it catches fire. The reason is that the fuel injection pump piston, which is the housing of the high pressure oil pump, has worn badly over time and will shut down if the pressure is not achieved. When the car is idling at high speed and the engine speed is high, the fire will not be extinguished. At low idle speed, the engine speed is slow, the piston pressure in the fuel injection pump cannot reach the injection pressure, and the fuel injector cannot atomize the diesel, so it stalls.
There are 6 sets of injectors on the engine cylinder head. Due to thehigh pressure of the new oil pump and piston, the factory pressure is usually adjusted to around 220. But when the engine runs for a long time, the piston pressure will gradually decrease, while the pressure of the injector assembly will remain at around 220. At this point you either need to adjust the injector pressure or replace the injector piston. It is suggested to take the high pressure fuel pump and fuel injectors to a professional fuel pump expert for calibration.
Other reasons:
1. The extinguisher switch is not turned on and the extinguisher wire is shorted. Lack of oil.
2. Sensor: Disconnect the oil sensor cable and the gasoline engine can start the oil change sensor.
3. Ignition System Problems: Disconnect the spark plug to start and observe the spark. White and red sparks are normal; if there is no sparklle, replace the spark plug or igniter.
4. Fuel system problems: Check to see if water has entered the fuel. If water has entered, clean the carburetor with gasoline. Determine whether the cylinder block is full of fuel, disconnect the spark plug, press the air filter hole firmly with your fingers, start it at idle several times, and smell the fuel smell with your fingers. Determine if the oil supply channel is leaking and change the position of the air damper to see if it can start.
5. Power conversion system and gas delivery system problems: Disconnect the spark plug and press the air filter hole firmly with your fingers. If no compressed gas escapes after idling several times, there is a problem with the power conversion system and gas distribution system.
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