Starlight generator

For fuel injector of 300kw diesel generator with long time use, if we want to check whether it is normal, can test it spray test on test-bed. If it is found that the follows situations, we need to disassemble and inspect: Opening pressure of fuel injection is lower than the specified value and the fuel is not atomized. No obvious cutting or oil dripping. Nozzle blockage. The spray of oil mist from four spray holes is uneven, with different lengths. Serious carbon deposit at the head of fuel injector. How to disassemble fuel injector of 300kw diesel generator ? Firstly, loosen the pressure regulating nut and screw out the pressure regulating screw. Secondly, clamp the fuel injector upside down in the vise to loosen the fuel injector tightening cap. Then, disassemble other parts and clean it by clean diesel oil. The carbon deposit at the nozzle head can be removed with a copper wire brush. If the needle valve is bite, clamp the end of the needle valve with the wire ...

The main reason why the diesel generator set fuel injection pump does not supply oil 1. There is no oil in the fuel tank or the oil switch is not open. 2. The diesel filter is clogged. 3. There is a lot of air in the oil road. 4. The plunger of the fuel injection pump is broken. 5. The plunger couple is excessively worn. 6. The plunger is stuck. 7. The screw groove of the plunger is installed in the wrong position. 8. The oil outlet valve is excessively worn or dirty. 9. The spring of oil outlet valve is broken or the spring force is weakened. 10. The plane contact between the oil outlet valve and the plunger sleeve is not strict, which causes the diesel oil to leak from the gap in the contact surface. The fuel valve is not opened at the top and the   fuel injection pump   is not supplied with oil. 11. The oil outlet valve is broken. Inspection method:   If all cylinders do not supply oil, the diesel engine cannot work. If the individual cyl...

Working principle of Cummins generator PTG two-pole governor / speed regulator 1. Idling condition At idle, the throttle is in the closed position and fuel flows only through the idle throttle to the injector. If the rotation speed is reduced for some reason and the centrifugal force of the flying block is reduced, the idle speed spring pushes the governor plunger to the left to increase the cross section of the orifice leading to the idle oil passage, and the oil supply amount increases. When the speed increases, the PTG governor plunger moves to the right, the flow cross section decreases, and the oil supply decreases, thereby keeping the idle speed stable. The idle adjustment screw is used to change the steady speed of the idle speed. 2. High speed condition When the speed of the diesel engine increases, the plunger and idle spring of the PTG governor are compressed, which is mainly acted by the high speed spring. The left notch of the plunger groove of the PTG governor h...

In our actual operation process, when using diesel generator, the oil level of diesel generator transformer is often too high and too low due. Why? Today Jiangsu Starlight company answers for you. 1. The oil level   is too high. The oil level is higher than the oil level line due to the increase of oil temperature. Sometimes the oil level reaches the top line or the oil level cannot be seen. The reason is as follows: The operation of the transformer cooler is abnormal, which causes the temperature of the transformer oil to rise and the oil to expand, resulting in the oil level to rise. The  oil level  of the transformer is much higher when refueling. Once the ambient temperature rises, the oil level will be too high. If the oil level is too high, which caused by the abnormal operation of the cooler. Check whether the surface of cooler is blocked by ash and whether the upper and lower valves of oil pipe are opened. Check whether the pipeline is blocked and wheth...